In VA, my bar chart only displays categories that have data. Is there a way to show all categories, even if they do not have any data? ... View more

I'm trying to create a bar/line chart by month. I need the caluclation to be a rolling Standard Deviation (uses previous X months as data points instead of the whole data set at once). Does anyone know a way to calculate this? Also, is there a way to calculate standard deviation off an aggregated measure (percent) instead of just a measure? Any help would be greatly appreciated! ... View more