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elaird / supy

analyze events stored in TTrees in parallel

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Sample info #184

Closed elaird closed 10 years ago

elaird commented 11 years ago

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

gerbaudo commented 11 years ago

Hi Ted,

These changes look good to me. I tested with some weighted samples, and I don't see any difference.

Davide