Background Estimation
Please use CMSSW_8_0_21.
Download and execute the setup script:
cd $CMSSW_BASE/src
cmsenv
git init
git pull https://github.com/tsculac/BackgroundEstimation.git
In the package directory, simply issue
git pull
cd ext/
sh compile_ext.sh
cd ..
source set_library.sh
make
./run