DOC fix a glitch in pca docstring (#9664)

scikit-learn · Sep 1, 2017 · a098a84 · a098a84
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commit a098a84
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sklearn/decomposition/pca.py b/sklearn/decomposition/pca.py
@@ -220,7 +220,7 @@ class PCA(_BasePCA):
     mean_ : array, shape (n_features,)
         Per-feature empirical mean, estimated from the training set.
 
-        Equal to `X.mean(axis=1)`.
+        Equal to `X.mean(axis=0)`.
 
     n_components_ : int
         The estimated number of components. When n_components is set