Please provide the following information:
ROOT Version (6.10/04):
Platform, compiler (Scientific Linux CERN SLC release 6.9 (Carbon), gcc6.2):
Dear ROOT experts,
I wonder, is it possible to use TRatioPlot to compare three or more histograms together? I have no problem using TRatioPlot to compare two histograms but I have no idea how to compare three histograms (like h2/h1, h3/h1).