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sklearn.utils.sparsefuncs.inplace_row_scale¶
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sklearn.utils.sparsefuncs.inplace_row_scale(X, scale)[source]¶ Inplace row scaling of a CSR or CSC matrix.
Scale each row of the data matrix by multiplying with specific scale provided by the caller assuming a (n_samples, n_features) shape.
- Parameters
- XCSR or CSC sparse matrix, shape (n_samples, n_features)
Matrix to be scaled.
- scalefloat array with shape (n_features,)
Array of precomputed sample-wise values to use for scaling.