ZFitter.cpp File Reference

General program for Z fit (monitoring, calibration validation) More...

#include <iostream>
#include <fstream>
#include <cstdio>
#include <cstdlib>
#include <stdexcept>
#include <memory>
#include <boost/program_options.hpp>
#include <TChain.h>
#include <TStopwatch.h>
#include <TFriendElement.h>
#include <RooMinuit.h>
#include <RooGaussian.h>
#include <RooStats/MetropolisHastings.h>
#include "RooBinning.h"
#include <RooMultiVarGaussian.h>
#include "Math/Minimizer.h"
#include <TPRegexp.h>
#include <RooFormulaVar.h>
#include <RooPullVar.h>
#include <TMatrixDSym.h>
#include <TRandom3.h>
#include <queue>

Typedefs
typedef std::shared_ptr< TChain >	pTChain_t
	type to hold TChain Pointers
typedef std::map< TString, pTChain_t >	chain_map_t
	map that associates the name of the tree and the pointer to the chain
typedef std::map< TString, chain_map_t >	tag_chain_map_t
	map that associates the name of the tag to the chain_map_t More...

Functions
std::vector< TString >	ReadRegionsFromFile (TString fileName)
void	UpdateFriends (tag_chain_map_t &tagChainMap, TString regionsFileNameTag)
void	MergeSamples (tag_chain_map_t &tagChainMap, TString regionsFileNameTag, TString tag="s")

Detailed Description

General program for Z fit (monitoring, calibration validation)

The aim of the program is to provide a common interface to all the Z fitting algorithms reading and combining in the proper way the configuration files.

Todo:

• remove commonCut from category name and add it in the ZFit_class in order to not repeate the cut
• make alpha fitting more generic (look for alphaName)
• Implement the iterative Et dependent scale corrections

ZFitter options:

Typedef Documentation

typedef std::map< TString, chain_map_t > tag_chain_map_t

map that associates the name of the tag to the chain_map_t

the logic is better described in Validation config files

Function Documentation

std::vector<TString> ReadRegionsFromFile

(

TString

fileName

)

Function parsing the region files

Return values

vector

of strings, each string is the name of one region

void UpdateFriends	(	tag_chain_map_t &	tagChainMap,
		TString	regionsFileNameTag
	)

This function reassociates the chains as friends of the "selected" tree.

This function should be run when new chains or files are added to the tagChainMap.

Referenced by MergeSamples().

void MergeSamples	(	tag_chain_map_t &	tagChainMap,
		TString	regionsFileNameTag,
		TString	tag = "s"
	)

Parameters

tagChainMap	map of all the tags declared in the validation config file
tag	name of the new tag created by the function, all the existent tags with name starting with b tag are merged in the new tag

A new tagChain with name=tag is added to the tagChainMap. All the tagChains with tag starting with tag are merged After the merging the friend list is updated by UpdateFriends

References UpdateFriends().