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ClusterMixin — scikit-learn 1.7.0 documentation

class sklearn.base.ClusterMixin[source]#

Mixin class for all cluster estimators in scikit-learn.

• set estimator type to "clusterer" through the estimator_type tag;

• fit_predict method returning the cluster labels associated to each sample.

Examples

>>> import numpy as np
>>> from sklearn.base import BaseEstimator, ClusterMixin
>>> class MyClusterer(ClusterMixin, BaseEstimator):
...     def fit(self, X, y=None):
...         self.labels_ = np.ones(shape=(len(X),), dtype=np.int64)
...         return self
>>> X = [[1, 2], [2, 3], [3, 4]]
>>> MyClusterer().fit_predict(X)
array([1, 1, 1])

fit_predict(X, y=None, **kwargs)[source]#

Perform clustering on X and returns cluster labels.

Parameters:

Xarray-like of shape (n_samples, n_features)

Input data.

yIgnored

Not used, present for API consistency by convention.

**kwargsdict

Arguments to be passed to fit.

Added in version 1.4.

Returns:

labelsndarray of shape (n_samples,), dtype=np.int64

Cluster labels.

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