On CMSSW_6_1_1 you install the higgs combination tools
https://twiki.cern.ch/twiki/bin/view/CMS/SWGuideHiggsAnalysisCombinedLimit
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cd CMSSW_6_1_1/myfolder/Limit_codes
cmsenv
mkdir datacards/
mkdir workspaces/
mkdir Minitrees/ (put limit trees inside -- edit the path for limit trees on R2GBB... )
. ./fits_4body.sh (to 4 body fit*)
. ./fits.sh (to mgg fit*)
follow the limit trees convetion mXX.root where XX is the mass in GeV -- eg:400
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