Hello Daichi,
Let’s say you have a plot with x, y, and/or legend attributes. Now you can split this plot by the categories of a categorical attribute by dropping that attribute on the top axis area or the right axis area.
Dropping the categorical attribute on the top axis splits the plot horizontally so that you have the sub-plots laid out left to right. Dropping the categorical attribute on the right axis lays them out top to bottom.
You can actually drop categorical attributes on both the top and bottom!
I’ve attached a screenshot of these three possibilities.
Hope this helps,
Bill