elaird/supy — pull request #184 by elaird (2013-09-09 15:34:04+00:00)
Title: Sample info

Hello,

This branch makes clearer the distinction between nEvents and sum(weight), and improves the calculation of MC lumi. It works for me when using weighted events. I have not tested it for sub-sampling/ptHat filtering, nor using xsPostWeights.

Ted