Full documentation: http://cms-analysis.github.io/CombineHarvester
This pacakge requires HiggsAnalysis/CombinedLimit to be in your local CMSSW area. We follow the release recommendations of the combine developers which can be found here.
A new full release area can be set up and compiled in the following steps:
export SCRAM_ARCH=slc7_amd64_gcc700
scram project CMSSW CMSSW_10_2_13
cd CMSSW_10_2_13/src
cmsenv
git clone https://github.com/cms-analysis/HiggsAnalysis-CombinedLimit.git HiggsAnalysis/CombinedLimit
# IMPORTANT: Checkout the recommended tag on the link above
git clone [email protected]:LLPDNNX/CombineHarvester.git CombineHarvester
scram b
Specific HNL analysis instructions are found in the LLP directory.