.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "auto_examples/miscellaneous/plot_pipeline_display.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end <sphx_glr_download_auto_examples_miscellaneous_plot_pipeline_display.py>` to download the full example code or to run this example in your browser via JupyterLite or Binder .. rst-class:: sphx-glr-example-title .. _sphx_glr_auto_examples_miscellaneous_plot_pipeline_display.py: ================================================================= Displaying Pipelines ================================================================= The default configuration for displaying a pipeline in a Jupyter Notebook is `'diagram'` where `set_config(display='diagram')`. To deactivate HTML representation, use `set_config(display='text')`. To see more detailed steps in the visualization of the pipeline, click on the steps in the pipeline. .. GENERATED FROM PYTHON SOURCE LINES 15-21 Displaying a Pipeline with a Preprocessing Step and Classifier ############################################################################### This section constructs a :class:`~sklearn.pipeline.Pipeline` with a preprocessing step, :class:`~sklearn.preprocessing.StandardScaler`, and classifier, :class:`~sklearn.linear_model.LogisticRegression`, and displays its visual representation. .. GENERATED FROM PYTHON SOURCE LINES 21-33 .. code-block:: Python from sklearn import set_config from sklearn.linear_model import LogisticRegression from sklearn.pipeline import Pipeline from sklearn.preprocessing import StandardScaler steps = [ ("preprocessing", StandardScaler()), ("classifier", LogisticRegression()), ] pipe = Pipeline(steps) .. GENERATED FROM PYTHON SOURCE LINES 34-35 To visualize the diagram, the default is `display='diagram'`. .. GENERATED FROM PYTHON SOURCE LINES 35-38 .. code-block:: Python set_config(display="diagram") pipe # click on the diagram below to see the details of each step .. raw:: html <div class="output_subarea output_html rendered_html output_result"> <style>#sk-container-id-39 { /* Definition of color scheme common for light and dark mode */ --sklearn-color-text: black; --sklearn-color-line: gray; /* Definition of color scheme for unfitted estimators */ --sklearn-color-unfitted-level-0: #fff5e6; --sklearn-color-unfitted-level-1: #f6e4d2; --sklearn-color-unfitted-level-2: #ffe0b3; --sklearn-color-unfitted-level-3: chocolate; /* Definition of color scheme for fitted estimators */ --sklearn-color-fitted-level-0: #f0f8ff; --sklearn-color-fitted-level-1: #d4ebff; --sklearn-color-fitted-level-2: #b3dbfd; --sklearn-color-fitted-level-3: cornflowerblue; /* Specific color for light theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-icon: #696969; @media (prefers-color-scheme: dark) { /* Redefinition of color scheme for dark theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-icon: #878787; } } #sk-container-id-39 { color: var(--sklearn-color-text); } #sk-container-id-39 pre { padding: 0; } #sk-container-id-39 input.sk-hidden--visually { border: 0; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; } #sk-container-id-39 div.sk-dashed-wrapped { border: 1px dashed var(--sklearn-color-line); margin: 0 0.4em 0.5em 0.4em; box-sizing: border-box; padding-bottom: 0.4em; background-color: var(--sklearn-color-background); } #sk-container-id-39 div.sk-container { /* jupyter's `normalize.less` sets `[hidden] { display: none; }` but bootstrap.min.css set `[hidden] { display: none !important; }` so we also need the `!important` here to be able to override the default hidden behavior on the sphinx rendered scikit-learn.org. See: https://github.com/scikit-learn/scikit-learn/issues/21755 */ display: inline-block !important; position: relative; } #sk-container-id-39 div.sk-text-repr-fallback { display: none; } div.sk-parallel-item, div.sk-serial, div.sk-item { /* draw centered vertical line to link estimators */ background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background)); background-size: 2px 100%; background-repeat: no-repeat; background-position: center center; } /* Parallel-specific style estimator block */ #sk-container-id-39 div.sk-parallel-item::after { content: ""; width: 100%; border-bottom: 2px solid var(--sklearn-color-text-on-default-background); flex-grow: 1; } #sk-container-id-39 div.sk-parallel { display: flex; align-items: stretch; justify-content: center; background-color: var(--sklearn-color-background); position: relative; } #sk-container-id-39 div.sk-parallel-item { display: flex; flex-direction: column; } #sk-container-id-39 div.sk-parallel-item:first-child::after { align-self: flex-end; width: 50%; } #sk-container-id-39 div.sk-parallel-item:last-child::after { align-self: flex-start; width: 50%; } #sk-container-id-39 div.sk-parallel-item:only-child::after { width: 0; } /* Serial-specific style estimator block */ #sk-container-id-39 div.sk-serial { display: flex; flex-direction: column; align-items: center; background-color: var(--sklearn-color-background); padding-right: 1em; padding-left: 1em; } /* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is clickable and can be expanded/collapsed. - Pipeline and ColumnTransformer use this feature and define the default style - Estimators will overwrite some part of the style using the `sk-estimator` class */ /* Pipeline and ColumnTransformer style (default) */ #sk-container-id-39 div.sk-toggleable { /* Default theme specific background. It is overwritten whether we have a specific estimator or a Pipeline/ColumnTransformer */ background-color: var(--sklearn-color-background); } /* Toggleable label */ #sk-container-id-39 label.sk-toggleable__label { cursor: pointer; display: block; width: 100%; margin-bottom: 0; padding: 0.5em; box-sizing: border-box; text-align: center; } #sk-container-id-39 label.sk-toggleable__label-arrow:before { /* Arrow on the left of the label */ content: "▸"; float: left; margin-right: 0.25em; color: var(--sklearn-color-icon); } #sk-container-id-39 label.sk-toggleable__label-arrow:hover:before { color: var(--sklearn-color-text); } /* Toggleable content - dropdown */ #sk-container-id-39 div.sk-toggleable__content { max-height: 0; max-width: 0; overflow: hidden; text-align: left; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-39 div.sk-toggleable__content.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-39 div.sk-toggleable__content pre { margin: 0.2em; border-radius: 0.25em; color: var(--sklearn-color-text); /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-39 div.sk-toggleable__content.fitted pre { /* unfitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-39 input.sk-toggleable__control:checked~div.sk-toggleable__content { /* Expand drop-down */ max-height: 200px; max-width: 100%; overflow: auto; } #sk-container-id-39 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before { content: "▾"; } /* Pipeline/ColumnTransformer-specific style */ #sk-container-id-39 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-39 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { background-color: var(--sklearn-color-fitted-level-2); } /* Estimator-specific style */ /* Colorize estimator box */ #sk-container-id-39 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-39 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } #sk-container-id-39 div.sk-label label.sk-toggleable__label, #sk-container-id-39 div.sk-label label { /* The background is the default theme color */ color: var(--sklearn-color-text-on-default-background); } /* On hover, darken the color of the background */ #sk-container-id-39 div.sk-label:hover label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } /* Label box, darken color on hover, fitted */ #sk-container-id-39 div.sk-label.fitted:hover label.sk-toggleable__label.fitted { color: var(--sklearn-color-text); background-color: var(--sklearn-color-fitted-level-2); } /* Estimator label */ #sk-container-id-39 div.sk-label label { font-family: monospace; font-weight: bold; display: inline-block; line-height: 1.2em; } #sk-container-id-39 div.sk-label-container { text-align: center; } /* Estimator-specific */ #sk-container-id-39 div.sk-estimator { font-family: monospace; border: 1px dotted var(--sklearn-color-border-box); border-radius: 0.25em; box-sizing: border-box; margin-bottom: 0.5em; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-39 div.sk-estimator.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } /* on hover */ #sk-container-id-39 div.sk-estimator:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-39 div.sk-estimator.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } /* Specification for estimator info (e.g. "i" and "?") */ /* Common style for "i" and "?" */ .sk-estimator-doc-link, a:link.sk-estimator-doc-link, a:visited.sk-estimator-doc-link { float: right; font-size: smaller; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1em; height: 1em; width: 1em; text-decoration: none !important; margin-left: 1ex; /* unfitted */ border: var(--sklearn-color-unfitted-level-1) 1pt solid; color: var(--sklearn-color-unfitted-level-1); } .sk-estimator-doc-link.fitted, a:link.sk-estimator-doc-link.fitted, a:visited.sk-estimator-doc-link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ div.sk-estimator:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover, div.sk-label-container:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover, div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } /* Span, style for the box shown on hovering the info icon */ .sk-estimator-doc-link span { display: none; z-index: 9999; position: relative; font-weight: normal; right: .2ex; padding: .5ex; margin: .5ex; width: min-content; min-width: 20ex; max-width: 50ex; color: var(--sklearn-color-text); box-shadow: 2pt 2pt 4pt #999; /* unfitted */ background: var(--sklearn-color-unfitted-level-0); border: .5pt solid var(--sklearn-color-unfitted-level-3); } .sk-estimator-doc-link.fitted span { /* fitted */ background: var(--sklearn-color-fitted-level-0); border: var(--sklearn-color-fitted-level-3); } .sk-estimator-doc-link:hover span { display: block; } /* "?"-specific style due to the `<a>` HTML tag */ #sk-container-id-39 a.estimator_doc_link { float: right; font-size: 1rem; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1rem; height: 1rem; width: 1rem; text-decoration: none; /* unfitted */ color: var(--sklearn-color-unfitted-level-1); border: var(--sklearn-color-unfitted-level-1) 1pt solid; } #sk-container-id-39 a.estimator_doc_link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ #sk-container-id-39 a.estimator_doc_link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } #sk-container-id-39 a.estimator_doc_link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); } </style><div id="sk-container-id-39" class="sk-top-container"><div class="sk-text-repr-fallback"><pre>Pipeline(steps=[('preprocessing', StandardScaler()), ('classifier', LogisticRegression())])</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class="sk-container" hidden><div class="sk-item sk-dashed-wrapped"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-168" type="checkbox" ><label for="sk-estimator-id-168" class="sk-toggleable__label sk-toggleable__label-arrow "> Pipeline<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.pipeline.Pipeline.html">?<span>Documentation for Pipeline</span></a><span class="sk-estimator-doc-link ">i<span>Not fitted</span></span></label><div class="sk-toggleable__content "><pre>Pipeline(steps=[('preprocessing', StandardScaler()), ('classifier', LogisticRegression())])</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-169" type="checkbox" ><label for="sk-estimator-id-169" class="sk-toggleable__label sk-toggleable__label-arrow "> StandardScaler<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.preprocessing.StandardScaler.html">?<span>Documentation for StandardScaler</span></a></label><div class="sk-toggleable__content "><pre>StandardScaler()</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-170" type="checkbox" ><label for="sk-estimator-id-170" class="sk-toggleable__label sk-toggleable__label-arrow "> LogisticRegression<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.linear_model.LogisticRegression.html">?<span>Documentation for LogisticRegression</span></a></label><div class="sk-toggleable__content "><pre>LogisticRegression()</pre></div> </div></div></div></div></div></div> </div> <br /> <br /> .. GENERATED FROM PYTHON SOURCE LINES 39-40 To view the text pipeline, change to `display='text'`. .. GENERATED FROM PYTHON SOURCE LINES 40-43 .. code-block:: Python set_config(display="text") pipe .. rst-class:: sphx-glr-script-out .. code-block:: none Pipeline(steps=[('preprocessing', StandardScaler()), ('classifier', LogisticRegression())]) .. GENERATED FROM PYTHON SOURCE LINES 44-45 Put back the default display .. GENERATED FROM PYTHON SOURCE LINES 45-47 .. code-block:: Python set_config(display="diagram") .. GENERATED FROM PYTHON SOURCE LINES 48-55 Displaying a Pipeline Chaining Multiple Preprocessing Steps & Classifier ############################################################################### This section constructs a :class:`~sklearn.pipeline.Pipeline` with multiple preprocessing steps, :class:`~sklearn.preprocessing.PolynomialFeatures` and :class:`~sklearn.preprocessing.StandardScaler`, and a classifier step, :class:`~sklearn.linear_model.LogisticRegression`, and displays its visual representation. .. GENERATED FROM PYTHON SOURCE LINES 55-68 .. code-block:: Python from sklearn.linear_model import LogisticRegression from sklearn.pipeline import Pipeline from sklearn.preprocessing import PolynomialFeatures, StandardScaler steps = [ ("standard_scaler", StandardScaler()), ("polynomial", PolynomialFeatures(degree=3)), ("classifier", LogisticRegression(C=2.0)), ] pipe = Pipeline(steps) pipe # click on the diagram below to see the details of each step .. raw:: html <div class="output_subarea output_html rendered_html output_result"> <style>#sk-container-id-40 { /* Definition of color scheme common for light and dark mode */ --sklearn-color-text: black; --sklearn-color-line: gray; /* Definition of color scheme for unfitted estimators */ --sklearn-color-unfitted-level-0: #fff5e6; --sklearn-color-unfitted-level-1: #f6e4d2; --sklearn-color-unfitted-level-2: #ffe0b3; --sklearn-color-unfitted-level-3: chocolate; /* Definition of color scheme for fitted estimators */ --sklearn-color-fitted-level-0: #f0f8ff; --sklearn-color-fitted-level-1: #d4ebff; --sklearn-color-fitted-level-2: #b3dbfd; --sklearn-color-fitted-level-3: cornflowerblue; /* Specific color for light theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-icon: #696969; @media (prefers-color-scheme: dark) { /* Redefinition of color scheme for dark theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-icon: #878787; } } #sk-container-id-40 { color: var(--sklearn-color-text); } #sk-container-id-40 pre { padding: 0; } #sk-container-id-40 input.sk-hidden--visually { border: 0; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; } #sk-container-id-40 div.sk-dashed-wrapped { border: 1px dashed var(--sklearn-color-line); margin: 0 0.4em 0.5em 0.4em; box-sizing: border-box; padding-bottom: 0.4em; background-color: var(--sklearn-color-background); } #sk-container-id-40 div.sk-container { /* jupyter's `normalize.less` sets `[hidden] { display: none; }` but bootstrap.min.css set `[hidden] { display: none !important; }` so we also need the `!important` here to be able to override the default hidden behavior on the sphinx rendered scikit-learn.org. See: https://github.com/scikit-learn/scikit-learn/issues/21755 */ display: inline-block !important; position: relative; } #sk-container-id-40 div.sk-text-repr-fallback { display: none; } div.sk-parallel-item, div.sk-serial, div.sk-item { /* draw centered vertical line to link estimators */ background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background)); background-size: 2px 100%; background-repeat: no-repeat; background-position: center center; } /* Parallel-specific style estimator block */ #sk-container-id-40 div.sk-parallel-item::after { content: ""; width: 100%; border-bottom: 2px solid var(--sklearn-color-text-on-default-background); flex-grow: 1; } #sk-container-id-40 div.sk-parallel { display: flex; align-items: stretch; justify-content: center; background-color: var(--sklearn-color-background); position: relative; } #sk-container-id-40 div.sk-parallel-item { display: flex; flex-direction: column; } #sk-container-id-40 div.sk-parallel-item:first-child::after { align-self: flex-end; width: 50%; } #sk-container-id-40 div.sk-parallel-item:last-child::after { align-self: flex-start; width: 50%; } #sk-container-id-40 div.sk-parallel-item:only-child::after { width: 0; } /* Serial-specific style estimator block */ #sk-container-id-40 div.sk-serial { display: flex; flex-direction: column; align-items: center; background-color: var(--sklearn-color-background); padding-right: 1em; padding-left: 1em; } /* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is clickable and can be expanded/collapsed. - Pipeline and ColumnTransformer use this feature and define the default style - Estimators will overwrite some part of the style using the `sk-estimator` class */ /* Pipeline and ColumnTransformer style (default) */ #sk-container-id-40 div.sk-toggleable { /* Default theme specific background. It is overwritten whether we have a specific estimator or a Pipeline/ColumnTransformer */ background-color: var(--sklearn-color-background); } /* Toggleable label */ #sk-container-id-40 label.sk-toggleable__label { cursor: pointer; display: block; width: 100%; margin-bottom: 0; padding: 0.5em; box-sizing: border-box; text-align: center; } #sk-container-id-40 label.sk-toggleable__label-arrow:before { /* Arrow on the left of the label */ content: "▸"; float: left; margin-right: 0.25em; color: var(--sklearn-color-icon); } #sk-container-id-40 label.sk-toggleable__label-arrow:hover:before { color: var(--sklearn-color-text); } /* Toggleable content - dropdown */ #sk-container-id-40 div.sk-toggleable__content { max-height: 0; max-width: 0; overflow: hidden; text-align: left; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-40 div.sk-toggleable__content.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-40 div.sk-toggleable__content pre { margin: 0.2em; border-radius: 0.25em; color: var(--sklearn-color-text); /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-40 div.sk-toggleable__content.fitted pre { /* unfitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-40 input.sk-toggleable__control:checked~div.sk-toggleable__content { /* Expand drop-down */ max-height: 200px; max-width: 100%; overflow: auto; } #sk-container-id-40 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before { content: "▾"; } /* Pipeline/ColumnTransformer-specific style */ #sk-container-id-40 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-40 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { background-color: var(--sklearn-color-fitted-level-2); } /* Estimator-specific style */ /* Colorize estimator box */ #sk-container-id-40 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-40 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } #sk-container-id-40 div.sk-label label.sk-toggleable__label, #sk-container-id-40 div.sk-label label { /* The background is the default theme color */ color: var(--sklearn-color-text-on-default-background); } /* On hover, darken the color of the background */ #sk-container-id-40 div.sk-label:hover label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } /* Label box, darken color on hover, fitted */ #sk-container-id-40 div.sk-label.fitted:hover label.sk-toggleable__label.fitted { color: var(--sklearn-color-text); background-color: var(--sklearn-color-fitted-level-2); } /* Estimator label */ #sk-container-id-40 div.sk-label label { font-family: monospace; font-weight: bold; display: inline-block; line-height: 1.2em; } #sk-container-id-40 div.sk-label-container { text-align: center; } /* Estimator-specific */ #sk-container-id-40 div.sk-estimator { font-family: monospace; border: 1px dotted var(--sklearn-color-border-box); border-radius: 0.25em; box-sizing: border-box; margin-bottom: 0.5em; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-40 div.sk-estimator.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } /* on hover */ #sk-container-id-40 div.sk-estimator:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-40 div.sk-estimator.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } /* Specification for estimator info (e.g. "i" and "?") */ /* Common style for "i" and "?" */ .sk-estimator-doc-link, a:link.sk-estimator-doc-link, a:visited.sk-estimator-doc-link { float: right; font-size: smaller; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1em; height: 1em; width: 1em; text-decoration: none !important; margin-left: 1ex; /* unfitted */ border: var(--sklearn-color-unfitted-level-1) 1pt solid; color: var(--sklearn-color-unfitted-level-1); } .sk-estimator-doc-link.fitted, a:link.sk-estimator-doc-link.fitted, a:visited.sk-estimator-doc-link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ div.sk-estimator:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover, div.sk-label-container:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover, div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } /* Span, style for the box shown on hovering the info icon */ .sk-estimator-doc-link span { display: none; z-index: 9999; position: relative; font-weight: normal; right: .2ex; padding: .5ex; margin: .5ex; width: min-content; min-width: 20ex; max-width: 50ex; color: var(--sklearn-color-text); box-shadow: 2pt 2pt 4pt #999; /* unfitted */ background: var(--sklearn-color-unfitted-level-0); border: .5pt solid var(--sklearn-color-unfitted-level-3); } .sk-estimator-doc-link.fitted span { /* fitted */ background: var(--sklearn-color-fitted-level-0); border: var(--sklearn-color-fitted-level-3); } .sk-estimator-doc-link:hover span { display: block; } /* "?"-specific style due to the `<a>` HTML tag */ #sk-container-id-40 a.estimator_doc_link { float: right; font-size: 1rem; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1rem; height: 1rem; width: 1rem; text-decoration: none; /* unfitted */ color: var(--sklearn-color-unfitted-level-1); border: var(--sklearn-color-unfitted-level-1) 1pt solid; } #sk-container-id-40 a.estimator_doc_link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ #sk-container-id-40 a.estimator_doc_link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } #sk-container-id-40 a.estimator_doc_link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); } </style><div id="sk-container-id-40" class="sk-top-container"><div class="sk-text-repr-fallback"><pre>Pipeline(steps=[('standard_scaler', StandardScaler()), ('polynomial', PolynomialFeatures(degree=3)), ('classifier', LogisticRegression(C=2.0))])</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class="sk-container" hidden><div class="sk-item sk-dashed-wrapped"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-171" type="checkbox" ><label for="sk-estimator-id-171" class="sk-toggleable__label sk-toggleable__label-arrow "> Pipeline<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.pipeline.Pipeline.html">?<span>Documentation for Pipeline</span></a><span class="sk-estimator-doc-link ">i<span>Not fitted</span></span></label><div class="sk-toggleable__content "><pre>Pipeline(steps=[('standard_scaler', StandardScaler()), ('polynomial', PolynomialFeatures(degree=3)), ('classifier', LogisticRegression(C=2.0))])</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-172" type="checkbox" ><label for="sk-estimator-id-172" class="sk-toggleable__label sk-toggleable__label-arrow "> StandardScaler<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.preprocessing.StandardScaler.html">?<span>Documentation for StandardScaler</span></a></label><div class="sk-toggleable__content "><pre>StandardScaler()</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-173" type="checkbox" ><label for="sk-estimator-id-173" class="sk-toggleable__label sk-toggleable__label-arrow "> PolynomialFeatures<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.preprocessing.PolynomialFeatures.html">?<span>Documentation for PolynomialFeatures</span></a></label><div class="sk-toggleable__content "><pre>PolynomialFeatures(degree=3)</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-174" type="checkbox" ><label for="sk-estimator-id-174" class="sk-toggleable__label sk-toggleable__label-arrow "> LogisticRegression<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.linear_model.LogisticRegression.html">?<span>Documentation for LogisticRegression</span></a></label><div class="sk-toggleable__content "><pre>LogisticRegression(C=2.0)</pre></div> </div></div></div></div></div></div> </div> <br /> <br /> .. GENERATED FROM PYTHON SOURCE LINES 69-75 Displaying a Pipeline and Dimensionality Reduction and Classifier ############################################################################### This section constructs a :class:`~sklearn.pipeline.Pipeline` with a dimensionality reduction step, :class:`~sklearn.decomposition.PCA`, a classifier, :class:`~sklearn.svm.SVC`, and displays its visual representation. .. GENERATED FROM PYTHON SOURCE LINES 75-84 .. code-block:: Python from sklearn.decomposition import PCA from sklearn.pipeline import Pipeline from sklearn.svm import SVC steps = [("reduce_dim", PCA(n_components=4)), ("classifier", SVC(kernel="linear"))] pipe = Pipeline(steps) pipe # click on the diagram below to see the details of each step .. raw:: html <div class="output_subarea output_html rendered_html output_result"> <style>#sk-container-id-41 { /* Definition of color scheme common for light and dark mode */ --sklearn-color-text: black; --sklearn-color-line: gray; /* Definition of color scheme for unfitted estimators */ --sklearn-color-unfitted-level-0: #fff5e6; --sklearn-color-unfitted-level-1: #f6e4d2; --sklearn-color-unfitted-level-2: #ffe0b3; --sklearn-color-unfitted-level-3: chocolate; /* Definition of color scheme for fitted estimators */ --sklearn-color-fitted-level-0: #f0f8ff; --sklearn-color-fitted-level-1: #d4ebff; --sklearn-color-fitted-level-2: #b3dbfd; --sklearn-color-fitted-level-3: cornflowerblue; /* Specific color for light theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-icon: #696969; @media (prefers-color-scheme: dark) { /* Redefinition of color scheme for dark theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-icon: #878787; } } #sk-container-id-41 { color: var(--sklearn-color-text); } #sk-container-id-41 pre { padding: 0; } #sk-container-id-41 input.sk-hidden--visually { border: 0; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; } #sk-container-id-41 div.sk-dashed-wrapped { border: 1px dashed var(--sklearn-color-line); margin: 0 0.4em 0.5em 0.4em; box-sizing: border-box; padding-bottom: 0.4em; background-color: var(--sklearn-color-background); } #sk-container-id-41 div.sk-container { /* jupyter's `normalize.less` sets `[hidden] { display: none; }` but bootstrap.min.css set `[hidden] { display: none !important; }` so we also need the `!important` here to be able to override the default hidden behavior on the sphinx rendered scikit-learn.org. See: https://github.com/scikit-learn/scikit-learn/issues/21755 */ display: inline-block !important; position: relative; } #sk-container-id-41 div.sk-text-repr-fallback { display: none; } div.sk-parallel-item, div.sk-serial, div.sk-item { /* draw centered vertical line to link estimators */ background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background)); background-size: 2px 100%; background-repeat: no-repeat; background-position: center center; } /* Parallel-specific style estimator block */ #sk-container-id-41 div.sk-parallel-item::after { content: ""; width: 100%; border-bottom: 2px solid var(--sklearn-color-text-on-default-background); flex-grow: 1; } #sk-container-id-41 div.sk-parallel { display: flex; align-items: stretch; justify-content: center; background-color: var(--sklearn-color-background); position: relative; } #sk-container-id-41 div.sk-parallel-item { display: flex; flex-direction: column; } #sk-container-id-41 div.sk-parallel-item:first-child::after { align-self: flex-end; width: 50%; } #sk-container-id-41 div.sk-parallel-item:last-child::after { align-self: flex-start; width: 50%; } #sk-container-id-41 div.sk-parallel-item:only-child::after { width: 0; } /* Serial-specific style estimator block */ #sk-container-id-41 div.sk-serial { display: flex; flex-direction: column; align-items: center; background-color: var(--sklearn-color-background); padding-right: 1em; padding-left: 1em; } /* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is clickable and can be expanded/collapsed. - Pipeline and ColumnTransformer use this feature and define the default style - Estimators will overwrite some part of the style using the `sk-estimator` class */ /* Pipeline and ColumnTransformer style (default) */ #sk-container-id-41 div.sk-toggleable { /* Default theme specific background. It is overwritten whether we have a specific estimator or a Pipeline/ColumnTransformer */ background-color: var(--sklearn-color-background); } /* Toggleable label */ #sk-container-id-41 label.sk-toggleable__label { cursor: pointer; display: block; width: 100%; margin-bottom: 0; padding: 0.5em; box-sizing: border-box; text-align: center; } #sk-container-id-41 label.sk-toggleable__label-arrow:before { /* Arrow on the left of the label */ content: "▸"; float: left; margin-right: 0.25em; color: var(--sklearn-color-icon); } #sk-container-id-41 label.sk-toggleable__label-arrow:hover:before { color: var(--sklearn-color-text); } /* Toggleable content - dropdown */ #sk-container-id-41 div.sk-toggleable__content { max-height: 0; max-width: 0; overflow: hidden; text-align: left; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-41 div.sk-toggleable__content.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-41 div.sk-toggleable__content pre { margin: 0.2em; border-radius: 0.25em; color: var(--sklearn-color-text); /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-41 div.sk-toggleable__content.fitted pre { /* unfitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-41 input.sk-toggleable__control:checked~div.sk-toggleable__content { /* Expand drop-down */ max-height: 200px; max-width: 100%; overflow: auto; } #sk-container-id-41 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before { content: "▾"; } /* Pipeline/ColumnTransformer-specific style */ #sk-container-id-41 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-41 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { background-color: var(--sklearn-color-fitted-level-2); } /* Estimator-specific style */ /* Colorize estimator box */ #sk-container-id-41 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-41 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } #sk-container-id-41 div.sk-label label.sk-toggleable__label, #sk-container-id-41 div.sk-label label { /* The background is the default theme color */ color: var(--sklearn-color-text-on-default-background); } /* On hover, darken the color of the background */ #sk-container-id-41 div.sk-label:hover label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } /* Label box, darken color on hover, fitted */ #sk-container-id-41 div.sk-label.fitted:hover label.sk-toggleable__label.fitted { color: var(--sklearn-color-text); background-color: var(--sklearn-color-fitted-level-2); } /* Estimator label */ #sk-container-id-41 div.sk-label label { font-family: monospace; font-weight: bold; display: inline-block; line-height: 1.2em; } #sk-container-id-41 div.sk-label-container { text-align: center; } /* Estimator-specific */ #sk-container-id-41 div.sk-estimator { font-family: monospace; border: 1px dotted var(--sklearn-color-border-box); border-radius: 0.25em; box-sizing: border-box; margin-bottom: 0.5em; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-41 div.sk-estimator.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } /* on hover */ #sk-container-id-41 div.sk-estimator:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-41 div.sk-estimator.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } /* Specification for estimator info (e.g. "i" and "?") */ /* Common style for "i" and "?" */ .sk-estimator-doc-link, a:link.sk-estimator-doc-link, a:visited.sk-estimator-doc-link { float: right; font-size: smaller; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1em; height: 1em; width: 1em; text-decoration: none !important; margin-left: 1ex; /* unfitted */ border: var(--sklearn-color-unfitted-level-1) 1pt solid; color: var(--sklearn-color-unfitted-level-1); } .sk-estimator-doc-link.fitted, a:link.sk-estimator-doc-link.fitted, a:visited.sk-estimator-doc-link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ div.sk-estimator:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover, div.sk-label-container:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover, div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } /* Span, style for the box shown on hovering the info icon */ .sk-estimator-doc-link span { display: none; z-index: 9999; position: relative; font-weight: normal; right: .2ex; padding: .5ex; margin: .5ex; width: min-content; min-width: 20ex; max-width: 50ex; color: var(--sklearn-color-text); box-shadow: 2pt 2pt 4pt #999; /* unfitted */ background: var(--sklearn-color-unfitted-level-0); border: .5pt solid var(--sklearn-color-unfitted-level-3); } .sk-estimator-doc-link.fitted span { /* fitted */ background: var(--sklearn-color-fitted-level-0); border: var(--sklearn-color-fitted-level-3); } .sk-estimator-doc-link:hover span { display: block; } /* "?"-specific style due to the `<a>` HTML tag */ #sk-container-id-41 a.estimator_doc_link { float: right; font-size: 1rem; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1rem; height: 1rem; width: 1rem; text-decoration: none; /* unfitted */ color: var(--sklearn-color-unfitted-level-1); border: var(--sklearn-color-unfitted-level-1) 1pt solid; } #sk-container-id-41 a.estimator_doc_link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ #sk-container-id-41 a.estimator_doc_link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } #sk-container-id-41 a.estimator_doc_link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); } </style><div id="sk-container-id-41" class="sk-top-container"><div class="sk-text-repr-fallback"><pre>Pipeline(steps=[('reduce_dim', PCA(n_components=4)), ('classifier', SVC(kernel='linear'))])</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class="sk-container" hidden><div class="sk-item sk-dashed-wrapped"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-175" type="checkbox" ><label for="sk-estimator-id-175" class="sk-toggleable__label sk-toggleable__label-arrow "> Pipeline<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.pipeline.Pipeline.html">?<span>Documentation for Pipeline</span></a><span class="sk-estimator-doc-link ">i<span>Not fitted</span></span></label><div class="sk-toggleable__content "><pre>Pipeline(steps=[('reduce_dim', PCA(n_components=4)), ('classifier', SVC(kernel='linear'))])</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-176" type="checkbox" ><label for="sk-estimator-id-176" class="sk-toggleable__label sk-toggleable__label-arrow "> PCA<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.decomposition.PCA.html">?<span>Documentation for PCA</span></a></label><div class="sk-toggleable__content "><pre>PCA(n_components=4)</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-177" type="checkbox" ><label for="sk-estimator-id-177" class="sk-toggleable__label sk-toggleable__label-arrow "> SVC<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.svm.SVC.html">?<span>Documentation for SVC</span></a></label><div class="sk-toggleable__content "><pre>SVC(kernel='linear')</pre></div> </div></div></div></div></div></div> </div> <br /> <br /> .. GENERATED FROM PYTHON SOURCE LINES 85-91 Displaying a Complex Pipeline Chaining a Column Transformer ############################################################################### This section constructs a complex :class:`~sklearn.pipeline.Pipeline` with a :class:`~sklearn.compose.ColumnTransformer` and a classifier, :class:`~sklearn.linear_model.LogisticRegression`, and displays its visual representation. .. GENERATED FROM PYTHON SOURCE LINES 91-127 .. code-block:: Python import numpy as np from sklearn.compose import ColumnTransformer from sklearn.impute import SimpleImputer from sklearn.linear_model import LogisticRegression from sklearn.pipeline import Pipeline, make_pipeline from sklearn.preprocessing import OneHotEncoder, StandardScaler numeric_preprocessor = Pipeline( steps=[ ("imputation_mean", SimpleImputer(missing_values=np.nan, strategy="mean")), ("scaler", StandardScaler()), ] ) categorical_preprocessor = Pipeline( steps=[ ( "imputation_constant", SimpleImputer(fill_value="missing", strategy="constant"), ), ("onehot", OneHotEncoder(handle_unknown="ignore")), ] ) preprocessor = ColumnTransformer( [ ("categorical", categorical_preprocessor, ["state", "gender"]), ("numerical", numeric_preprocessor, ["age", "weight"]), ] ) pipe = make_pipeline(preprocessor, LogisticRegression(max_iter=500)) pipe # click on the diagram below to see the details of each step .. raw:: html <div class="output_subarea output_html rendered_html output_result"> <style>#sk-container-id-42 { /* Definition of color scheme common for light and dark mode */ --sklearn-color-text: black; --sklearn-color-line: gray; /* Definition of color scheme for unfitted estimators */ --sklearn-color-unfitted-level-0: #fff5e6; --sklearn-color-unfitted-level-1: #f6e4d2; --sklearn-color-unfitted-level-2: #ffe0b3; --sklearn-color-unfitted-level-3: chocolate; /* Definition of color scheme for fitted estimators */ --sklearn-color-fitted-level-0: #f0f8ff; --sklearn-color-fitted-level-1: #d4ebff; --sklearn-color-fitted-level-2: #b3dbfd; --sklearn-color-fitted-level-3: cornflowerblue; /* Specific color for light theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-icon: #696969; @media (prefers-color-scheme: dark) { /* Redefinition of color scheme for dark theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-icon: #878787; } } #sk-container-id-42 { color: var(--sklearn-color-text); } #sk-container-id-42 pre { padding: 0; } #sk-container-id-42 input.sk-hidden--visually { border: 0; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; } #sk-container-id-42 div.sk-dashed-wrapped { border: 1px dashed var(--sklearn-color-line); margin: 0 0.4em 0.5em 0.4em; box-sizing: border-box; padding-bottom: 0.4em; background-color: var(--sklearn-color-background); } #sk-container-id-42 div.sk-container { /* jupyter's `normalize.less` sets `[hidden] { display: none; }` but bootstrap.min.css set `[hidden] { display: none !important; }` so we also need the `!important` here to be able to override the default hidden behavior on the sphinx rendered scikit-learn.org. See: https://github.com/scikit-learn/scikit-learn/issues/21755 */ display: inline-block !important; position: relative; } #sk-container-id-42 div.sk-text-repr-fallback { display: none; } div.sk-parallel-item, div.sk-serial, div.sk-item { /* draw centered vertical line to link estimators */ background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background)); background-size: 2px 100%; background-repeat: no-repeat; background-position: center center; } /* Parallel-specific style estimator block */ #sk-container-id-42 div.sk-parallel-item::after { content: ""; width: 100%; border-bottom: 2px solid var(--sklearn-color-text-on-default-background); flex-grow: 1; } #sk-container-id-42 div.sk-parallel { display: flex; align-items: stretch; justify-content: center; background-color: var(--sklearn-color-background); position: relative; } #sk-container-id-42 div.sk-parallel-item { display: flex; flex-direction: column; } #sk-container-id-42 div.sk-parallel-item:first-child::after { align-self: flex-end; width: 50%; } #sk-container-id-42 div.sk-parallel-item:last-child::after { align-self: flex-start; width: 50%; } #sk-container-id-42 div.sk-parallel-item:only-child::after { width: 0; } /* Serial-specific style estimator block */ #sk-container-id-42 div.sk-serial { display: flex; flex-direction: column; align-items: center; background-color: var(--sklearn-color-background); padding-right: 1em; padding-left: 1em; } /* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is clickable and can be expanded/collapsed. - Pipeline and ColumnTransformer use this feature and define the default style - Estimators will overwrite some part of the style using the `sk-estimator` class */ /* Pipeline and ColumnTransformer style (default) */ #sk-container-id-42 div.sk-toggleable { /* Default theme specific background. It is overwritten whether we have a specific estimator or a Pipeline/ColumnTransformer */ background-color: var(--sklearn-color-background); } /* Toggleable label */ #sk-container-id-42 label.sk-toggleable__label { cursor: pointer; display: block; width: 100%; margin-bottom: 0; padding: 0.5em; box-sizing: border-box; text-align: center; } #sk-container-id-42 label.sk-toggleable__label-arrow:before { /* Arrow on the left of the label */ content: "▸"; float: left; margin-right: 0.25em; color: var(--sklearn-color-icon); } #sk-container-id-42 label.sk-toggleable__label-arrow:hover:before { color: var(--sklearn-color-text); } /* Toggleable content - dropdown */ #sk-container-id-42 div.sk-toggleable__content { max-height: 0; max-width: 0; overflow: hidden; text-align: left; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-42 div.sk-toggleable__content.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-42 div.sk-toggleable__content pre { margin: 0.2em; border-radius: 0.25em; color: var(--sklearn-color-text); /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-42 div.sk-toggleable__content.fitted pre { /* unfitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-42 input.sk-toggleable__control:checked~div.sk-toggleable__content { /* Expand drop-down */ max-height: 200px; max-width: 100%; overflow: auto; } #sk-container-id-42 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before { content: "▾"; } /* Pipeline/ColumnTransformer-specific style */ #sk-container-id-42 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-42 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { background-color: var(--sklearn-color-fitted-level-2); } /* Estimator-specific style */ /* Colorize estimator box */ #sk-container-id-42 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-42 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } #sk-container-id-42 div.sk-label label.sk-toggleable__label, #sk-container-id-42 div.sk-label label { /* The background is the default theme color */ color: var(--sklearn-color-text-on-default-background); } /* On hover, darken the color of the background */ #sk-container-id-42 div.sk-label:hover label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } /* Label box, darken color on hover, fitted */ #sk-container-id-42 div.sk-label.fitted:hover label.sk-toggleable__label.fitted { color: var(--sklearn-color-text); background-color: var(--sklearn-color-fitted-level-2); } /* Estimator label */ #sk-container-id-42 div.sk-label label { font-family: monospace; font-weight: bold; display: inline-block; line-height: 1.2em; } #sk-container-id-42 div.sk-label-container { text-align: center; } /* Estimator-specific */ #sk-container-id-42 div.sk-estimator { font-family: monospace; border: 1px dotted var(--sklearn-color-border-box); border-radius: 0.25em; box-sizing: border-box; margin-bottom: 0.5em; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-42 div.sk-estimator.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } /* on hover */ #sk-container-id-42 div.sk-estimator:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-42 div.sk-estimator.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } /* Specification for estimator info (e.g. "i" and "?") */ /* Common style for "i" and "?" */ .sk-estimator-doc-link, a:link.sk-estimator-doc-link, a:visited.sk-estimator-doc-link { float: right; font-size: smaller; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1em; height: 1em; width: 1em; text-decoration: none !important; margin-left: 1ex; /* unfitted */ border: var(--sklearn-color-unfitted-level-1) 1pt solid; color: var(--sklearn-color-unfitted-level-1); } .sk-estimator-doc-link.fitted, a:link.sk-estimator-doc-link.fitted, a:visited.sk-estimator-doc-link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ div.sk-estimator:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover, div.sk-label-container:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover, div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } /* Span, style for the box shown on hovering the info icon */ .sk-estimator-doc-link span { display: none; z-index: 9999; position: relative; font-weight: normal; right: .2ex; padding: .5ex; margin: .5ex; width: min-content; min-width: 20ex; max-width: 50ex; color: var(--sklearn-color-text); box-shadow: 2pt 2pt 4pt #999; /* unfitted */ background: var(--sklearn-color-unfitted-level-0); border: .5pt solid var(--sklearn-color-unfitted-level-3); } .sk-estimator-doc-link.fitted span { /* fitted */ background: var(--sklearn-color-fitted-level-0); border: var(--sklearn-color-fitted-level-3); } .sk-estimator-doc-link:hover span { display: block; } /* "?"-specific style due to the `<a>` HTML tag */ #sk-container-id-42 a.estimator_doc_link { float: right; font-size: 1rem; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1rem; height: 1rem; width: 1rem; text-decoration: none; /* unfitted */ color: var(--sklearn-color-unfitted-level-1); border: var(--sklearn-color-unfitted-level-1) 1pt solid; } #sk-container-id-42 a.estimator_doc_link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ #sk-container-id-42 a.estimator_doc_link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } #sk-container-id-42 a.estimator_doc_link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); } </style><div id="sk-container-id-42" class="sk-top-container"><div class="sk-text-repr-fallback"><pre>Pipeline(steps=[('columntransformer', ColumnTransformer(transformers=[('categorical', Pipeline(steps=[('imputation_constant', SimpleImputer(fill_value='missing', strategy='constant')), ('onehot', OneHotEncoder(handle_unknown='ignore'))]), ['state', 'gender']), ('numerical', Pipeline(steps=[('imputation_mean', SimpleImputer()), ('scaler', StandardScaler())]), ['age', 'weight'])])), ('logisticregression', LogisticRegression(max_iter=500))])</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class="sk-container" hidden><div class="sk-item sk-dashed-wrapped"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-178" type="checkbox" ><label for="sk-estimator-id-178" class="sk-toggleable__label sk-toggleable__label-arrow "> Pipeline<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.pipeline.Pipeline.html">?<span>Documentation for Pipeline</span></a><span class="sk-estimator-doc-link ">i<span>Not fitted</span></span></label><div class="sk-toggleable__content "><pre>Pipeline(steps=[('columntransformer', ColumnTransformer(transformers=[('categorical', Pipeline(steps=[('imputation_constant', SimpleImputer(fill_value='missing', strategy='constant')), ('onehot', OneHotEncoder(handle_unknown='ignore'))]), ['state', 'gender']), ('numerical', Pipeline(steps=[('imputation_mean', SimpleImputer()), ('scaler', StandardScaler())]), ['age', 'weight'])])), ('logisticregression', LogisticRegression(max_iter=500))])</pre></div> </div></div><div class="sk-serial"><div class="sk-item sk-dashed-wrapped"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-179" type="checkbox" ><label for="sk-estimator-id-179" class="sk-toggleable__label sk-toggleable__label-arrow "> columntransformer: ColumnTransformer<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.compose.ColumnTransformer.html">?<span>Documentation for columntransformer: ColumnTransformer</span></a></label><div class="sk-toggleable__content "><pre>ColumnTransformer(transformers=[('categorical', Pipeline(steps=[('imputation_constant', SimpleImputer(fill_value='missing', strategy='constant')), ('onehot', OneHotEncoder(handle_unknown='ignore'))]), ['state', 'gender']), ('numerical', Pipeline(steps=[('imputation_mean', SimpleImputer()), ('scaler', StandardScaler())]), ['age', 'weight'])])</pre></div> </div></div><div class="sk-parallel"><div class="sk-parallel-item"><div class="sk-item"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-180" type="checkbox" ><label for="sk-estimator-id-180" class="sk-toggleable__label sk-toggleable__label-arrow ">categorical</label><div class="sk-toggleable__content "><pre>['state', 'gender']</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-serial"><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-181" type="checkbox" ><label for="sk-estimator-id-181" class="sk-toggleable__label sk-toggleable__label-arrow "> SimpleImputer<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.impute.SimpleImputer.html">?<span>Documentation for SimpleImputer</span></a></label><div class="sk-toggleable__content "><pre>SimpleImputer(fill_value='missing', strategy='constant')</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-182" type="checkbox" ><label for="sk-estimator-id-182" class="sk-toggleable__label sk-toggleable__label-arrow "> OneHotEncoder<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.preprocessing.OneHotEncoder.html">?<span>Documentation for OneHotEncoder</span></a></label><div class="sk-toggleable__content "><pre>OneHotEncoder(handle_unknown='ignore')</pre></div> </div></div></div></div></div></div></div><div class="sk-parallel-item"><div class="sk-item"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-183" type="checkbox" ><label for="sk-estimator-id-183" class="sk-toggleable__label sk-toggleable__label-arrow ">numerical</label><div class="sk-toggleable__content "><pre>['age', 'weight']</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-serial"><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-184" type="checkbox" ><label for="sk-estimator-id-184" class="sk-toggleable__label sk-toggleable__label-arrow "> SimpleImputer<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.impute.SimpleImputer.html">?<span>Documentation for SimpleImputer</span></a></label><div class="sk-toggleable__content "><pre>SimpleImputer()</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-185" type="checkbox" ><label for="sk-estimator-id-185" class="sk-toggleable__label sk-toggleable__label-arrow "> StandardScaler<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.preprocessing.StandardScaler.html">?<span>Documentation for StandardScaler</span></a></label><div class="sk-toggleable__content "><pre>StandardScaler()</pre></div> </div></div></div></div></div></div></div></div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-186" type="checkbox" ><label for="sk-estimator-id-186" class="sk-toggleable__label sk-toggleable__label-arrow "> LogisticRegression<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.linear_model.LogisticRegression.html">?<span>Documentation for LogisticRegression</span></a></label><div class="sk-toggleable__content "><pre>LogisticRegression(max_iter=500)</pre></div> </div></div></div></div></div></div> </div> <br /> <br /> .. GENERATED FROM PYTHON SOURCE LINES 128-134 Displaying a Grid Search over a Pipeline with a Classifier ############################################################################### This section constructs a :class:`~sklearn.model_selection.GridSearchCV` over a :class:`~sklearn.pipeline.Pipeline` with :class:`~sklearn.ensemble.RandomForestClassifier` and displays its visual representation. .. GENERATED FROM PYTHON SOURCE LINES 134-181 .. code-block:: Python import numpy as np from sklearn.compose import ColumnTransformer from sklearn.ensemble import RandomForestClassifier from sklearn.impute import SimpleImputer from sklearn.model_selection import GridSearchCV from sklearn.pipeline import Pipeline, make_pipeline from sklearn.preprocessing import OneHotEncoder, StandardScaler numeric_preprocessor = Pipeline( steps=[ ("imputation_mean", SimpleImputer(missing_values=np.nan, strategy="mean")), ("scaler", StandardScaler()), ] ) categorical_preprocessor = Pipeline( steps=[ ( "imputation_constant", SimpleImputer(fill_value="missing", strategy="constant"), ), ("onehot", OneHotEncoder(handle_unknown="ignore")), ] ) preprocessor = ColumnTransformer( [ ("categorical", categorical_preprocessor, ["state", "gender"]), ("numerical", numeric_preprocessor, ["age", "weight"]), ] ) pipe = Pipeline( steps=[("preprocessor", preprocessor), ("classifier", RandomForestClassifier())] ) param_grid = { "classifier__n_estimators": [200, 500], "classifier__max_features": ["auto", "sqrt", "log2"], "classifier__max_depth": [4, 5, 6, 7, 8], "classifier__criterion": ["gini", "entropy"], } grid_search = GridSearchCV(pipe, param_grid=param_grid, n_jobs=1) grid_search # click on the diagram below to see the details of each step .. raw:: html <div class="output_subarea output_html rendered_html output_result"> <style>#sk-container-id-43 { /* Definition of color scheme common for light and dark mode */ --sklearn-color-text: black; --sklearn-color-line: gray; /* Definition of color scheme for unfitted estimators */ --sklearn-color-unfitted-level-0: #fff5e6; --sklearn-color-unfitted-level-1: #f6e4d2; --sklearn-color-unfitted-level-2: #ffe0b3; --sklearn-color-unfitted-level-3: chocolate; /* Definition of color scheme for fitted estimators */ --sklearn-color-fitted-level-0: #f0f8ff; --sklearn-color-fitted-level-1: #d4ebff; --sklearn-color-fitted-level-2: #b3dbfd; --sklearn-color-fitted-level-3: cornflowerblue; /* Specific color for light theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black))); --sklearn-color-icon: #696969; @media (prefers-color-scheme: dark) { /* Redefinition of color scheme for dark theme */ --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111))); --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white))); --sklearn-color-icon: #878787; } } #sk-container-id-43 { color: var(--sklearn-color-text); } #sk-container-id-43 pre { padding: 0; } #sk-container-id-43 input.sk-hidden--visually { border: 0; clip: rect(1px 1px 1px 1px); clip: rect(1px, 1px, 1px, 1px); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; } #sk-container-id-43 div.sk-dashed-wrapped { border: 1px dashed var(--sklearn-color-line); margin: 0 0.4em 0.5em 0.4em; box-sizing: border-box; padding-bottom: 0.4em; background-color: var(--sklearn-color-background); } #sk-container-id-43 div.sk-container { /* jupyter's `normalize.less` sets `[hidden] { display: none; }` but bootstrap.min.css set `[hidden] { display: none !important; }` so we also need the `!important` here to be able to override the default hidden behavior on the sphinx rendered scikit-learn.org. See: https://github.com/scikit-learn/scikit-learn/issues/21755 */ display: inline-block !important; position: relative; } #sk-container-id-43 div.sk-text-repr-fallback { display: none; } div.sk-parallel-item, div.sk-serial, div.sk-item { /* draw centered vertical line to link estimators */ background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background)); background-size: 2px 100%; background-repeat: no-repeat; background-position: center center; } /* Parallel-specific style estimator block */ #sk-container-id-43 div.sk-parallel-item::after { content: ""; width: 100%; border-bottom: 2px solid var(--sklearn-color-text-on-default-background); flex-grow: 1; } #sk-container-id-43 div.sk-parallel { display: flex; align-items: stretch; justify-content: center; background-color: var(--sklearn-color-background); position: relative; } #sk-container-id-43 div.sk-parallel-item { display: flex; flex-direction: column; } #sk-container-id-43 div.sk-parallel-item:first-child::after { align-self: flex-end; width: 50%; } #sk-container-id-43 div.sk-parallel-item:last-child::after { align-self: flex-start; width: 50%; } #sk-container-id-43 div.sk-parallel-item:only-child::after { width: 0; } /* Serial-specific style estimator block */ #sk-container-id-43 div.sk-serial { display: flex; flex-direction: column; align-items: center; background-color: var(--sklearn-color-background); padding-right: 1em; padding-left: 1em; } /* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is clickable and can be expanded/collapsed. - Pipeline and ColumnTransformer use this feature and define the default style - Estimators will overwrite some part of the style using the `sk-estimator` class */ /* Pipeline and ColumnTransformer style (default) */ #sk-container-id-43 div.sk-toggleable { /* Default theme specific background. It is overwritten whether we have a specific estimator or a Pipeline/ColumnTransformer */ background-color: var(--sklearn-color-background); } /* Toggleable label */ #sk-container-id-43 label.sk-toggleable__label { cursor: pointer; display: block; width: 100%; margin-bottom: 0; padding: 0.5em; box-sizing: border-box; text-align: center; } #sk-container-id-43 label.sk-toggleable__label-arrow:before { /* Arrow on the left of the label */ content: "▸"; float: left; margin-right: 0.25em; color: var(--sklearn-color-icon); } #sk-container-id-43 label.sk-toggleable__label-arrow:hover:before { color: var(--sklearn-color-text); } /* Toggleable content - dropdown */ #sk-container-id-43 div.sk-toggleable__content { max-height: 0; max-width: 0; overflow: hidden; text-align: left; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-43 div.sk-toggleable__content.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-43 div.sk-toggleable__content pre { margin: 0.2em; border-radius: 0.25em; color: var(--sklearn-color-text); /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-43 div.sk-toggleable__content.fitted pre { /* unfitted */ background-color: var(--sklearn-color-fitted-level-0); } #sk-container-id-43 input.sk-toggleable__control:checked~div.sk-toggleable__content { /* Expand drop-down */ max-height: 200px; max-width: 100%; overflow: auto; } #sk-container-id-43 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before { content: "▾"; } /* Pipeline/ColumnTransformer-specific style */ #sk-container-id-43 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-43 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { background-color: var(--sklearn-color-fitted-level-2); } /* Estimator-specific style */ /* Colorize estimator box */ #sk-container-id-43 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-43 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } #sk-container-id-43 div.sk-label label.sk-toggleable__label, #sk-container-id-43 div.sk-label label { /* The background is the default theme color */ color: var(--sklearn-color-text-on-default-background); } /* On hover, darken the color of the background */ #sk-container-id-43 div.sk-label:hover label.sk-toggleable__label { color: var(--sklearn-color-text); background-color: var(--sklearn-color-unfitted-level-2); } /* Label box, darken color on hover, fitted */ #sk-container-id-43 div.sk-label.fitted:hover label.sk-toggleable__label.fitted { color: var(--sklearn-color-text); background-color: var(--sklearn-color-fitted-level-2); } /* Estimator label */ #sk-container-id-43 div.sk-label label { font-family: monospace; font-weight: bold; display: inline-block; line-height: 1.2em; } #sk-container-id-43 div.sk-label-container { text-align: center; } /* Estimator-specific */ #sk-container-id-43 div.sk-estimator { font-family: monospace; border: 1px dotted var(--sklearn-color-border-box); border-radius: 0.25em; box-sizing: border-box; margin-bottom: 0.5em; /* unfitted */ background-color: var(--sklearn-color-unfitted-level-0); } #sk-container-id-43 div.sk-estimator.fitted { /* fitted */ background-color: var(--sklearn-color-fitted-level-0); } /* on hover */ #sk-container-id-43 div.sk-estimator:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-2); } #sk-container-id-43 div.sk-estimator.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-2); } /* Specification for estimator info (e.g. "i" and "?") */ /* Common style for "i" and "?" */ .sk-estimator-doc-link, a:link.sk-estimator-doc-link, a:visited.sk-estimator-doc-link { float: right; font-size: smaller; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1em; height: 1em; width: 1em; text-decoration: none !important; margin-left: 1ex; /* unfitted */ border: var(--sklearn-color-unfitted-level-1) 1pt solid; color: var(--sklearn-color-unfitted-level-1); } .sk-estimator-doc-link.fitted, a:link.sk-estimator-doc-link.fitted, a:visited.sk-estimator-doc-link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ div.sk-estimator:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover, div.sk-label-container:hover .sk-estimator-doc-link:hover, .sk-estimator-doc-link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover, div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover, .sk-estimator-doc-link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } /* Span, style for the box shown on hovering the info icon */ .sk-estimator-doc-link span { display: none; z-index: 9999; position: relative; font-weight: normal; right: .2ex; padding: .5ex; margin: .5ex; width: min-content; min-width: 20ex; max-width: 50ex; color: var(--sklearn-color-text); box-shadow: 2pt 2pt 4pt #999; /* unfitted */ background: var(--sklearn-color-unfitted-level-0); border: .5pt solid var(--sklearn-color-unfitted-level-3); } .sk-estimator-doc-link.fitted span { /* fitted */ background: var(--sklearn-color-fitted-level-0); border: var(--sklearn-color-fitted-level-3); } .sk-estimator-doc-link:hover span { display: block; } /* "?"-specific style due to the `<a>` HTML tag */ #sk-container-id-43 a.estimator_doc_link { float: right; font-size: 1rem; line-height: 1em; font-family: monospace; background-color: var(--sklearn-color-background); border-radius: 1rem; height: 1rem; width: 1rem; text-decoration: none; /* unfitted */ color: var(--sklearn-color-unfitted-level-1); border: var(--sklearn-color-unfitted-level-1) 1pt solid; } #sk-container-id-43 a.estimator_doc_link.fitted { /* fitted */ border: var(--sklearn-color-fitted-level-1) 1pt solid; color: var(--sklearn-color-fitted-level-1); } /* On hover */ #sk-container-id-43 a.estimator_doc_link:hover { /* unfitted */ background-color: var(--sklearn-color-unfitted-level-3); color: var(--sklearn-color-background); text-decoration: none; } #sk-container-id-43 a.estimator_doc_link.fitted:hover { /* fitted */ background-color: var(--sklearn-color-fitted-level-3); } </style><div id="sk-container-id-43" class="sk-top-container"><div class="sk-text-repr-fallback"><pre>GridSearchCV(estimator=Pipeline(steps=[('preprocessor', ColumnTransformer(transformers=[('categorical', Pipeline(steps=[('imputation_constant', SimpleImputer(fill_value='missing', strategy='constant')), ('onehot', OneHotEncoder(handle_unknown='ignore'))]), ['state', 'gender']), ('numerical', Pipeline(steps=[('imputation_mean', SimpleImputer()), ('scaler', StandardScaler())]), ['age', 'weight'])])), ('classifier', RandomForestClassifier())]), n_jobs=1, param_grid={'classifier__criterion': ['gini', 'entropy'], 'classifier__max_depth': [4, 5, 6, 7, 8], 'classifier__max_features': ['auto', 'sqrt', 'log2'], 'classifier__n_estimators': [200, 500]})</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class="sk-container" hidden><div class="sk-item sk-dashed-wrapped"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-187" type="checkbox" ><label for="sk-estimator-id-187" class="sk-toggleable__label sk-toggleable__label-arrow "> GridSearchCV<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.model_selection.GridSearchCV.html">?<span>Documentation for GridSearchCV</span></a><span class="sk-estimator-doc-link ">i<span>Not fitted</span></span></label><div class="sk-toggleable__content "><pre>GridSearchCV(estimator=Pipeline(steps=[('preprocessor', ColumnTransformer(transformers=[('categorical', Pipeline(steps=[('imputation_constant', SimpleImputer(fill_value='missing', strategy='constant')), ('onehot', OneHotEncoder(handle_unknown='ignore'))]), ['state', 'gender']), ('numerical', Pipeline(steps=[('imputation_mean', SimpleImputer()), ('scaler', StandardScaler())]), ['age', 'weight'])])), ('classifier', RandomForestClassifier())]), n_jobs=1, param_grid={'classifier__criterion': ['gini', 'entropy'], 'classifier__max_depth': [4, 5, 6, 7, 8], 'classifier__max_features': ['auto', 'sqrt', 'log2'], 'classifier__n_estimators': [200, 500]})</pre></div> </div></div><div class="sk-parallel"><div class="sk-parallel-item"><div class="sk-item"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-188" type="checkbox" ><label for="sk-estimator-id-188" class="sk-toggleable__label sk-toggleable__label-arrow ">estimator: Pipeline</label><div class="sk-toggleable__content "><pre>Pipeline(steps=[('preprocessor', ColumnTransformer(transformers=[('categorical', Pipeline(steps=[('imputation_constant', SimpleImputer(fill_value='missing', strategy='constant')), ('onehot', OneHotEncoder(handle_unknown='ignore'))]), ['state', 'gender']), ('numerical', Pipeline(steps=[('imputation_mean', SimpleImputer()), ('scaler', StandardScaler())]), ['age', 'weight'])])), ('classifier', RandomForestClassifier())])</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-serial"><div class="sk-item sk-dashed-wrapped"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-189" type="checkbox" ><label for="sk-estimator-id-189" class="sk-toggleable__label sk-toggleable__label-arrow "> preprocessor: ColumnTransformer<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.compose.ColumnTransformer.html">?<span>Documentation for preprocessor: ColumnTransformer</span></a></label><div class="sk-toggleable__content "><pre>ColumnTransformer(transformers=[('categorical', Pipeline(steps=[('imputation_constant', SimpleImputer(fill_value='missing', strategy='constant')), ('onehot', OneHotEncoder(handle_unknown='ignore'))]), ['state', 'gender']), ('numerical', Pipeline(steps=[('imputation_mean', SimpleImputer()), ('scaler', StandardScaler())]), ['age', 'weight'])])</pre></div> </div></div><div class="sk-parallel"><div class="sk-parallel-item"><div class="sk-item"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-190" type="checkbox" ><label for="sk-estimator-id-190" class="sk-toggleable__label sk-toggleable__label-arrow ">categorical</label><div class="sk-toggleable__content "><pre>['state', 'gender']</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-serial"><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-191" type="checkbox" ><label for="sk-estimator-id-191" class="sk-toggleable__label sk-toggleable__label-arrow "> SimpleImputer<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.impute.SimpleImputer.html">?<span>Documentation for SimpleImputer</span></a></label><div class="sk-toggleable__content "><pre>SimpleImputer(fill_value='missing', strategy='constant')</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-192" type="checkbox" ><label for="sk-estimator-id-192" class="sk-toggleable__label sk-toggleable__label-arrow "> OneHotEncoder<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.preprocessing.OneHotEncoder.html">?<span>Documentation for OneHotEncoder</span></a></label><div class="sk-toggleable__content "><pre>OneHotEncoder(handle_unknown='ignore')</pre></div> </div></div></div></div></div></div></div><div class="sk-parallel-item"><div class="sk-item"><div class="sk-label-container"><div class="sk-label sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-193" type="checkbox" ><label for="sk-estimator-id-193" class="sk-toggleable__label sk-toggleable__label-arrow ">numerical</label><div class="sk-toggleable__content "><pre>['age', 'weight']</pre></div> </div></div><div class="sk-serial"><div class="sk-item"><div class="sk-serial"><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-194" type="checkbox" ><label for="sk-estimator-id-194" class="sk-toggleable__label sk-toggleable__label-arrow "> SimpleImputer<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.impute.SimpleImputer.html">?<span>Documentation for SimpleImputer</span></a></label><div class="sk-toggleable__content "><pre>SimpleImputer()</pre></div> </div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-195" type="checkbox" ><label for="sk-estimator-id-195" class="sk-toggleable__label sk-toggleable__label-arrow "> StandardScaler<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.preprocessing.StandardScaler.html">?<span>Documentation for StandardScaler</span></a></label><div class="sk-toggleable__content "><pre>StandardScaler()</pre></div> </div></div></div></div></div></div></div></div></div><div class="sk-item"><div class="sk-estimator sk-toggleable"><input class="sk-toggleable__control sk-hidden--visually" id="sk-estimator-id-196" type="checkbox" ><label for="sk-estimator-id-196" class="sk-toggleable__label sk-toggleable__label-arrow "> RandomForestClassifier<a class="sk-estimator-doc-link " rel="noreferrer" target="_blank" href="https://scikit-learn.org/1.4/modules/generated/sklearn.ensemble.RandomForestClassifier.html">?<span>Documentation for RandomForestClassifier</span></a></label><div class="sk-toggleable__content "><pre>RandomForestClassifier()</pre></div> </div></div></div></div></div></div></div></div></div></div></div> </div> <br /> <br /> .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 0.096 seconds) .. _sphx_glr_download_auto_examples_miscellaneous_plot_pipeline_display.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: binder-badge .. image:: images/binder_badge_logo.svg :target: https://mybinder.org/v2/gh/scikit-learn/scikit-learn/1.4.X?urlpath=lab/tree/notebooks/auto_examples/miscellaneous/plot_pipeline_display.ipynb :alt: Launch binder :width: 150 px .. container:: lite-badge .. image:: images/jupyterlite_badge_logo.svg :target: ../../lite/lab/?path=auto_examples/miscellaneous/plot_pipeline_display.ipynb :alt: Launch JupyterLite :width: 150 px .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: plot_pipeline_display.ipynb <plot_pipeline_display.ipynb>` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: plot_pipeline_display.py <plot_pipeline_display.py>` .. include:: plot_pipeline_display.recommendations .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_