sklearn.datasets.make_swiss_roll

sklearn.datasets.make_swiss_roll(n_samples=100, *, noise=0.0, random_state=None)[source]

Generate a swiss roll dataset.

Read more in the User Guide.

Parameters
n_samplesint, default=100

The number of sample points on the S curve.

noisefloat, default=0.0

The standard deviation of the gaussian noise.

random_stateint or RandomState instance, default=None

Determines random number generation for dataset creation. Pass an int for reproducible output across multiple function calls. See Glossary.

Returns
Xarray of shape [n_samples, 3]

The points.

tarray of shape [n_samples]

The univariate position of the sample according to the main dimension of the points in the manifold.

Notes

The algorithm is from Marsland [1].

References

1

S. Marsland, “Machine Learning: An Algorithmic Perspective”, Chapter 10, 2009. http://seat.massey.ac.nz/personal/s.r.marsland/Code/10/lle.py