In order to simplify a stacked bar chart, I am looking to sum up the counts of multiple columns I have in my pivot table. For example, in this sample table, I would like to combine Fruits and Vegetables into one column, so that each bar will comprised of three colors: one for Meats, one for Grains, and one for Fruits+Vegetables.
For reference, this is the data source:
I tried adding a Calculated Field, but I'm not sure if I can use specific values from a column in the Formulas field. Is there a way to create something like this from a pivot table, or should I be taking a different approach to this all together?