How to Calculate the Difference Between Two Tables

This article describes how to go from two tables...

...to a table that shows the difference between each corresponding cell:

Requirements

Two tables with matching row and columns and a single statistic that you want to use for the calculation.

1. Select your tables.

2. From the object inspector, copy the names from General > GENERAL > Name.

3. Select the Calculation icon > Custom Code.

4. Go to General > R CODE in the object inspector.

5. Add a line of code in the format of table1_name - table2_name

Below is the code from this example that calculates the difference between the tables:

table.Q5.Brand.Image.this.wave - table.Q5.Brand.Image.last.wave

7. Select this output and go to Appearance > APPEARANCE > Number format to adjust decimal places and add a percentage sign.