Is it possible to plot multiple independent variables on a histogram, depicting frequencies?
To give more context in what I am trying to do, I would like to plot the number of HIV positive, HCV positive, Chlamydia positive, Gonnorhea positive, and Syphilis positive persons in one histogram. The issue is that I cannot collapse these into a categorical variable, since there is a lot of overlap (i.e., there are persons who are both HIV positive and HCV positive).
For now, I have 5 different variables (one for each disease) whose frequencies I would like to display side-by-side in a histogram.
Any help/advice would be appreciated!