See example here: https://app.displayr.com/Dashboard?project_id=-1087724#page=b83de8a9-b687-4367-8601-59906e5c0094

The Excel Data set contains three questions asked on the same scale. Not all options were selected (present in the Data Set) for each question.

As a result, it's not possible to merge them into a single Multi - Nominal Grid in Q / Displayr.

When attempting to combine them, the values and labels are inconsistent.

One workaround is to use Text Coding. But this is far from ideal for users to use.