How to hide certain categories from your legend
Sometimes, you don't want all your legend swatches displayed – especially in line charts with projections or in visualizations with lots of categories that are not as relevant for your narrative.
To do this:
TIP: As with all custom override options, it is vital for the series names to be exactly the same as your column names. Otherwise, this function won't work. To make sure they match, we recommend copying and pasting your column names into the textbox.