DOC removed ambiguity in pipeline gridsearch example (#12272)

* Removed ambiguity in pipeline gridsearch example * Formatted to pep8
scikit-learn · Oct 15, 2018 · fcf0c31 · fcf0c31
1 parent 454004c
commit fcf0c31
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/examples/compose/plot_compare_reduction.py b/examples/compose/plot_compare_reduction.py
@@ -43,7 +43,8 @@
 print(__doc__)
 
 pipe = Pipeline([
-    ('reduce_dim', PCA()),
+    # the reduce_dim stage is populated by the param_grid
+    ('reduce_dim', None),
     ('classify', LinearSVC())
 ])