DOC changed docstring to be more clear.

amueller · amueller · commit 924b17876846 · 2012-12-21T10:29:48.000+01:00
diff --git a/sklearn/utils/__init__.py b/sklearn/utils/__init__.py
@@ -359,7 +359,9 @@ def compute_class_weight(class_weight, classes, y):
         List of the classes occuring in the data, as given by
         ``np.unique(y_org)`` with ``y_org`` the original class labels.
     y : array-like, shape=(n_samples,), dtype=int
-        Array of class-indices for 0 to n_classes.
+        Array of class indices per sample;
+        0 <= y[i] < n_classes for i in range(n_samples).
+
 
     Returns
     -------
