The third type of calculation you can create in the Calculation Editor interface is Difference From. You create this type of calculation to compare values between time periods. In a previous exercise, you created a Bar chart to show the gross margin percentage for each product by state. Here, you will use the same chart to create a Difference From calculation in the Calculation Editor interface to evaluate the difference in gross margin percentage between 2014 and 2015.
To create a new chart from an existing one, you have three options: Copy, Copy To, and Duplicate. If you select an existing chart and select the Copy option (A), or press Ctrl+C, the chart is placed on the clipboard. Click on the Paste ...
