DOC Specify the meaning of y=None in fit_transform (scikit-learn#17366)

goerch · May 27, 2020 · 6c3e179 · 6c3e179
1 parent ffd1873
commit 6c3e179
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/sklearn/base.py b/sklearn/base.py
@@ -667,9 +667,10 @@ def fit_transform(self, X, y=None, **fit_params):
         ----------
         X : {array-like, sparse matrix, dataframe} of shape \
                 (n_samples, n_features)
+            Input samples.
 
         y : ndarray of shape (n_samples,), default=None
-            Target values.
+            Target values (None for unsupervised transformations).
 
         **fit_params : dict
             Additional fit parameters.