This article describes how to go from a table showing Column Comparisons...
...to a table that displays the Column Names (by default A, B, C...) in the column labels:
Requirements
A table with rows and columns showing Column Comparisons.
Method
1. Select the table.
2. In the object inspector on the right, go to Properties > RULES.
3. Select the Plus (+) > Modify Headers > Add Column Names to Column Labels.
4. Click OK to apply the rule.
Next
Caveats and Limitations for Rules
How To Create a QScript To Insert a Custom Rule
How to Add Sample Size to Column Labels