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TTHBB MEM code

Setup on SLC6 in a clean directory (no CMSSW) on a shared file system

$ mkdir -p ~/tth/sw
$ cd ~/tth/sw
$ wget --no-check-certificate https://raw.githubusercontent.com/jpata/tthbb13/meanalysis-80x/setup.sh
$ source setup.sh

This will download CMSSW, the tthbb code and all the dependencies.

In order to compile the code, run

$ cd ~/tth/sw/CMSSW/src
$ cmsenv
$ scram b -j 8

Note that if you run scram b clean, the matrix element library OpennLoops will be deleted from CMSSW, which will result in errors like

[OpenLoops] ERROR: register_process: proclib folder not found, check install_path or install libraries.

In order to fix this, you have to re-copy the libraries, see the end of setup.sh for the recipe.

Step0: environment

We use rootpy in the plotting code, which is installed on the T3 locally in ~jpata/anaconda2. In order to properly configure the environment, run the following source setenv_psi.sh before starting your work.

Step1: VHBB code

This will start with MiniAOD and produce a VHBB ntuple.

In order to run a quick test of the code, use the following makefile

$ cd $CMSSW_BASE/src/VHbbAnalysis/Heppy/test
$ python validation/tth_sl_dl.py #run a few MC files
$ python validation/tth_data.py #run a few data files

The structure of the VHBB-tree is encoded in $CMSSW_BASE/src/TTH/MEAnalysis/python/VHbbTree.py for MC and VHbbTreeData.py for data. These files are automatically generated using make vhbb_wrapper with the following commands:

cd $(CMSSW_BASE)/src/VHbbAnalysis/Heppy/test && python genWrapper.py
cd $(CMSSW_BASE)/src/VHbbAnalysis/Heppy/test && python genWrapper_data.py

Submitting jobs based on step1 will proceed via crab3, explained in Step1+2.

Step2: tthbb code

Using the VHBB-tree, we will run the ttH(bb) and matrix element code (tthbb13)

In order to test the code, run:

$ python $CMSSW_BASE/src/TTH/MEAnalysis/python/test_MEAnalysis_heppy.py

This will call

python $CMSSW_BASE/src/TTH/MEAnalysis/python/MEAnalysis_heppy.py

which is currently configured by the MEAnalysis_cfg_heppy.py master configuration.

Step1+2: VHBB & tthbb13 with CRAB

In order to reduce the amount of intermediate steps and book-keeping, we run step1 (VHBB) and step2 (tthbb13) together in one job, back to back. This is configured in `$CMSSW_BASE/src/TTH/MEAnalysis/crab_vhbb

To submit a few test workflows with crab do:

$ cd TTH/MEAnalysis/crab_vhbb
$ python multicrab.py --workflow testing_withme --tag my_test1

To produce all the SL/DL samples, do

$ cd TTH/MEAnalysis/crab_vhbb
$ python multicrab.py --workflow leptonic --tag May13

where the tag May13 is for your own book-keeping.

To prepare the dataset files in TTH/MEAnalysis/gc/datasets/{TAG}/{DATASET}, use the DAS script

$ python TTH/MEAnalysis/python/MakeDatasetFiles.py --version {TAG}

This will create lists of the Step1+2 files in the Storage Element (SE), which are stored under TTH/MEAnalysis/gc/datasets/{TAG}.

Step3: skim with projectSkim

When some of the samples are done, you can produce smallish (<10GB) skims of the files using local batch jobs.

$ cd TTH/MEAnalysis/gc
$ source makeEnv.sh #make an uncommited script to properly set the environment on the batch system
v./grid-control/go.py confs/projectSkim.conf
... #wait
$ ./hadd.py /path/to/output/GC1234/ #call our merge script

This will produce some skimmed ntuples in

/mnt/t3nfs01/data01/shome/jpata/tth/gc/projectSkim/GCe0f041d65b98:
Jul15_leptonic_v1__ttHTobb_M125_13TeV_powheg_pythia8 <= unmerged
Jul15_leptonic_v1__ttHTobb_M125_13TeV_powheg_pythia8.root <= merged file
...
Jul15_leptonic_v1__TTJets_SingleLeptFromTbar_TuneCUETP8M1_13TeV-madgraphMLM-pythia8.root
Jul15_leptonic_v1__TTJets_SingleLeptFromT_TuneCUETP8M1_13TeV-madgraphMLM-pythia8.root
Jul15_leptonic_v1__TTTo2L2Nu_13TeV-powheg.root
Jul15_leptonic_v1__TT_TuneCUETP8M1_13TeV-powheg-pythia8.root

The total processed yields (ngen) can be extracted with

$ cd TTH/MEAnalysis/gc
$ ./grid-control/go.py confs/count.conf
...
$ ./hadd.py /path/to/output/GC1234/
$ python $CMSSW_BASE/src/TTH/MEAnalysis/python/getCounts.py /path/to/output/GC1234/

The counts need to be introduced to TTH/Plotting/python/Datacards/config_*.cfg as the ngen flags for the samples.

Step4: N-dimensional histograms with Plotting/python/joosep/sparsinator.py

In order to industrially produce all variated histograms, we create an intermediate file containing ROOT THnSparse histograms of the samples with appropriate systematics.

$ cd TTH/MEAnalysis/gc
$ ./grid-control/go.py confs/sparse.conf
...
$ hadd -f sparse.root /path/to/output/GC1234/

The output file will contain

$ 
TTTo2L2Nu_13TeV-powheg <- sample
-dl <- base category ({sl,dl,fh})
--sparse (THnSparseT<TArrayF>) <==== nominal distribution
--sparse_CMS_ttH_CSVHFDown (THnSparseT<TArrayF>) <==== systematically variated distributions
--sparse_CMS_ttH_CSVHFStats1Down (THnSparseT<TArrayF>)
--sparse_CMS_ttH_CSVHFStats1Up (THnSparseT<TArrayF>)
--sparse_CMS_ttH_CSVHFStats2Down (THnSparseT<TArrayF>)
--sparse_CMS_ttH_CSVHFStats2Up (THnSparseT<TArrayF>)
--sparse_CMS_ttH_CSVHFUp (THnSparseT<TArrayF>)
-sl
...
ttHTobb_M125_13TeV_powheg_pythia8
-dl
...
-sl
...
...

Step5: Categories with makecategories.sh

Configure what is necessary in TTH/Plotting/python/Datacards/config_*.cfg, then call

cd TTH/MEAnalysis/gc
#generate the parameter csv files: analysis_groups.csv, analysis_specs.csv
python $CMSSW_BASE/src/TTH/Plotting/python/Datacards/AnalysisSpecification.py
./grid-control/go.py confs/makecategories.conf

This will create all the combine datacards ({ANALYSIS}/{CATEGORY}.root files and shapes_*.txt files) for all analyses and all the categories.

[jpata@t3ui17 gc]$ ls -1 ~/tth/gc/makecategory/GC41c32de9adb2/SL_7cat/
shapes_sl_j4_t3_blrH_mem_SL_0w2h2t_p.txt
shapes_sl_j4_t3_blrL_btag_LR_4b_2b_btagCSV_logit.txt
shapes_sl_j4_t3_mem_SL_0w2h2t_p.txt
shapes_sl_j4_tge4_mem_SL_0w2h2t_p.txt
shapes_sl_j5_t3_blrH_mem_SL_1w2h2t_p.txt
shapes_sl_j5_t3_blrL_btag_LR_4b_2b_btagCSV_logit.txt
shapes_sl_j5_t3_mem_SL_1w2h2t_p.txt
shapes_sl_j5_tge4_mem_SL_1w2h2t_p.txt
shapes_sl_jge6_t2_btag_LR_4b_2b_btagCSV_logit.txt
shapes_sl_jge6_t3_blrH_mem_SL_2w2h2t_p.txt
shapes_sl_jge6_t3_blrL_mem_SL_2w2h2t_p.txt
shapes_sl_jge6_t3_mem_SL_2w2h2t_p.txt
shapes_sl_jge6_tge4_mem_SL_2w2h2t_p.txt
sl_j4_t3_blrH.root
sl_j4_t3_blrL.root
sl_j4_t3.root
sl_j4_tge4.root
sl_j5_t3_blrH.root
sl_j5_t3_blrL.root
sl_j5_t3.root
sl_j5_tge4.root
sl_jge6_t2.root
sl_jge6_t3_blrH.root
sl_jge6_t3_blrL.root
sl_jge6_t3.root
sl_jge6_tge4.root

$ python ../test/listroot.py ~/tth/gc/makecategory/GC41c32de9adb2/SL_7cat/sl_jge6_tge4.root
ttH_hbb
-sl_jge6_tge4
--btag_LR_4b_2b_btagCSV_logit (Hist)
--jetsByPt_0_pt (Hist)
--mem_SL_2w2h2t_p (Hist)
ttbarPlusB
-sl_jge6_tge4
--btag_LR_4b_2b_btagCSV_logit (Hist)
--jetsByPt_0_pt (Hist)
--mem_SL_2w2h2t_p (Hist)
...

Step6: Limits with makelimits.sh

Configure the path to the category output in confs/makelimits.conf by setting datacardbase to the output of step 4.

cd TTH/MEAnalysis/gc
./grid-control/go.py confs/makelimits.conf

Step6: data/mc plots

From the output of makecategory, you can make data/MC plots using code in plotlib.py and controlPlot.py. See TTH/MEAnalysis/python/joosep/controlPlot.py for an example. For this to work, you need to use the rootpy environment.

On the T3 using 10 cores, you can make about 100 pdf plots per minute.

Step3-6 in one go: launcher.py

There is a new workflow in order to run all the post-ntuplization steps in one workflow. It relies on a central "job broker" and a launcher script. Important: only one broker can run per T3 UI!

Start the job broker (redis database) by going to

cd TTH/MEAnalysis/rq/
source env.sh
./server.sh

Then in another screen, launch jobs that will connect to the broker and wait for instructions

cd TTH/MEAnalysis/rq/
source env.sh
./sub.sh

Then launch the actual workflow

source env.sh
python launcher.py TTH/Plotting/python/Datacards/config_*.cfg

You will see the progress of various steps, the results will end up in TTH/MEAnalysis/rq/results.

When you're done, don't forget to free up your jobs:

qdel -u $USER