I'm not sure if this has to be done with comparative analysis.
I can imagine that YTD vs last YTD can be done with setanalysis only (by substracting 1 year from the selected year for e.g.)
But if you want to do it with comparitive analysis this is possible too.
1: What is the issue you ran into?
2: And how should it work? (should there be one group of listboxes connected to both states? or 2 groups of listboxes (one for the normal state and one for the alternate state)
I'd like to hear