I'm guessing your data must look similar to the following if none of the categories are being "seen" as character.
Time Floor Resources Reading
01:00 00 022 0.07
01:00 01 022 0.008
01:00 02 345 1.2
The floor is a number where 00=Basement, 01=First Floor, and so on. The Resources must be similar. In this example, 022=outlet, 345=HVAC.
You can change a data item from a measure to a category. Selecting the data item, then select Category. This will change the measures easily but you may find "022" and "345" are not really that helpful to your report. You can use create a custom category to move the data items (based on value) into larger categories. You may find that changing your source data is easier than using SAS VA for some of these tasks.
These questions are answered in the user documentation and also in the newly released Introduction to SAS Visual Analytics book.
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