DOC add cumcount ascending kwarg

hayd · hayd · commit 13e6a6146990 · 2013-11-20T12:09:14.000-08:00
diff --git a/doc/source/groupby.rst b/doc/source/groupby.rst
@@ -717,4 +717,6 @@ To see the order in which each row appears within its group, use the
    df = pd.DataFrame(list('aaabba'), columns=['A'])
    df
 
-   df.groupby('A').cumcount()
+   df.groupby('A').cumcount()
+
+   df.groupby('A').cumcount(ascending=False)  # kwarg only
