DOC DecisionTreeClassifier does not support categorical data
@@ -400,7 +400,8 @@ it differs in that it supports numerical target variables (regression) and
does not compute rule sets. CART constructs binary trees using the feature
and threshold that yield the largest information gain at each node.
-scikit-learn uses an optimised version of the CART algorithm.
+scikit-learn uses an optimised version of the CART algorithm; however, scikit-learn
+implementation does not support categorical variables for now.
.. _ID3: https://en.wikipedia.org/wiki/ID3_algorithm
.. _CART: https://en.wikipedia.org/wiki/Predictive_analytics#Classification_and_regression_trees_.28CART.29
