As you define the columns to use in your Ad Hoc report, be certain to include the Multiple Data Stream field if you are selecting multiple data streams on the Prompt window for the collection.
The actual Cross-Tab Report should include a value and a measure. For example, Multi Dta Strms and also Demo1 Act Imp. The setup for this report was shown in the Network Newsletter of 6/20/08. Click here to read it.
This same information applies to Activity Report and .