DOC: clean up sorting chart
@@ -560,7 +560,11 @@ x-axis, using the barley dataset:
title='By Yield'
)
- (ascending | descending | explicit) & (sortchannel | sortfield)
+ alt.concat(
+ ascending, descending, explicit,
+ sortchannel, sortfield,
+ columns=3
+ )
The last two charts are the same because the default aggregation
(see :ref:`encoding-aggregates`) is ``mean``. To highlight the
