RooFit Tutorials

These tutorials illustrate the main features of RooFit: the name of the examples and their short description help in figuring out their objective.

Files
file	rf101_basics.C
	Basic functionality: fitting, plotting, toy data generation on one-dimensional p.d.f
file	rf101_basics.py
	This tutorial illustrates the basic features of RooFit.
file	rf102_dataimport.C
	Basic functionality: importing data from ROOT TTrees and THx histograms
file	rf103_interprfuncs.C
	Basic functionality: interpreted functions and p.d.f.s
file	rf103_interprfuncs.py
	Basic functionality: interpreted functions and p.d.f.s
file	rf104_classfactory.C
	Basic functionality: The class factory for functions and p.d.f.s
file	rf104_classfactory.py
	Basic functionality: the class factory for functions and p.d.f.s
file	rf105_funcbinding.C
	Basic functionality: binding ROOT math functions as RooFit functions and pdfs
file	rf106_plotdecoration.C
	Basic functionality: adding boxes with parameters, statistics to RooPlots, decorating with arrows, text etc...
file	rf106_plotdecoration.py
	Basic functionality: adding boxes with parameters to RooPlots and decorating with arrows, etc...
file	rf107_plotstyles.C
	Basic functionality: various plotting styles of data, functions in a RooPlot
file	rf107_plotstyles.py
	Basic functionality: demonstration of various plotting styles of data, functions in a RooPlot
file	rf108_plotbinning.C
	Basic functionality: plotting unbinned data with alternate and variable binnings
file	rf108_plotbinning.py
	Basic functionality: plotting unbinned data with alternate and variable binnings
file	rf109_chi2residpull.C
	Basic functionality: Calculating chi^2 from histograms and curves in RooPlots, making histogram of residual and pull distributions
file	rf110_normintegration.C
	Basic functionality: normalization and integration of p.d.fs, construction of cumulative distribution monodimensional functions
file	rf110_normintegration.py
	Basic functionality: examples on normalization and integration of p.d.fs, construction of cumulative distribution functions from monodimensional p.d.f.s
file	rf111_derivatives.C
	Basic functionality: numerical 1st,2nd and 3rd order derivatives w.r.t.
file	rf111_derivatives.py
	Basic functionality: numerical 1st, and 3rd order derivatives w.r.t.
file	rf201_composite.C
	Addition and convolution: composite p.d.f with signal and background component
file	rf201_composite.py
	Addition and convolution: composite p.d.f with signal and background component
file	rf202_extendedmlfit.C
	Addition and convolution: setting up an extended maximum likelihood fit
file	rf202_extendedmlfit.py
	Addition and convolution: setting up an extended maximum likelihood fit
file	rf203_ranges.C
	Addition and convolution: fitting and plotting in sub ranges
file	rf203_ranges.py
	Addition and convolution: fitting and plotting in sub ranges
file	rf204_extrangefit.C
	'ADDITION AND CONVOLUTION' RooFit tutorial macro #204
file	rf204_extrangefit.py
	Addition and convolution: extended maximum likelihood fit with alternate range definition for observed number of events.
file	rf204a_extrangefit_RooAddPdf.C
	'ADDITION AND CONVOLUTION' RooFit tutorial macro #204a
file	rf205_compplot.C
	Addition and convolution: options for plotting components of composite p.d.f.s.
file	rf205_compplot.py
	Addition and convolution: options for plotting components of composite p.d.f.s.
file	rf206_treevistools.C
	Addition and convolution: tools for visualization of RooAbsArg expression trees
file	rf206_treevistools.py
	Addition and convolution: tools for visualization of ROOT.RooAbsArg expression trees
file	rf207_comptools.C
	Addition and convolution: tools and utilities for manipulation of composite objects
file	rf208_convolution.C
	Addition and convolution: one-dimensional numeric convolution
file	rf209_anaconv.C
	Addition and convolution: decay function p.d.fs with optional B physics effects (mixing and CP violation)
file	rf209_anaconv.py
	Addition and convolution: decay function p.d.fs with optional B physics effects (mixing and CP violation) that can be analytically convolved with e.g.
file	rf210_angularconv.C
	Addition and convolution: convolution in cyclical angular observables theta
file	rf211_paramconv.C
	Addition and convolution: working with a p.d.f.
file	rf301_composition.C
	Multidimensional models: multi-dimensional p.d.f.s through composition e.g.
file	rf301_composition.py
	Multidimensional models: multi-dimensional p.d.f.s through composition, e.g.
file	rf302_utilfuncs.C
	Multidimensional models: utility functions classes available for use in tailoring of composite (multidimensional) pdfs
file	rf302_utilfuncs.py
	Multidimensional models: utility functions classes available for use in tailoring of composite (multidimensional) pdfs
file	rf303_conditional.C
	Multidimensional models: use of tailored p.d.f as conditional p.d.fs.s
file	rf304_uncorrprod.C
	Multidimensional models: simple uncorrelated multi-dimensional p.d.f.s
file	rf304_uncorrprod.py
	Multidimensional models: simple uncorrelated multi-dimensional p.d.f.s
file	rf305_condcorrprod.C
	Multidimensional models: multi-dimensional p.d.f.s with conditional p.d.fs in product
file	rf305_condcorrprod.py
	Multidimensional models: multi-dimensional p.d.f.s with conditional p.d.fs in product
file	rf306_condpereventerrors.C
	Multidimensional models: conditional p.d.f.
file	rf306_condpereventerrors.py
	Multidimensional models: complete example with use of conditional p.d.f.
file	rf307_fullpereventerrors.C
	Multidimensional models: full p.d.f.
file	rf307_fullpereventerrors.py
	Multidimensional models: usage of full p.d.f.
file	rf308_normintegration2d.C
	Multidimensional models: normalization and integration of p.d.fs, construction of cumulative distribution functions from p.d.f.s in two dimensions
file	rf308_normintegration2d.py
file	rf309_ndimplot.C
	Multidimensional models: making 2/3 dimensional plots of p.d.f.s and datasets
file	rf309_ndimplot.py
file	rf310_sliceplot.C
	Multidimensional models: projecting p.d.f and data slices in discrete observables
file	rf310_sliceplot.py
file	rf311_rangeplot.C
	Multidimensional models: projecting p.d.f and data ranges in continuous observables
file	rf311_rangeplot.py
file	rf312_multirangefit.C
	Multidimensional models: performing fits in multiple (disjoint) ranges in one or more dimensions
file	rf312_multirangefit.py
file	rf313_paramranges.C
	Multidimensional models: working with parametrized ranges to define non-rectangular regions for fitting and integration
file	rf313_paramranges.py
file	rf314_paramfitrange.C
	Multidimensional models: working with parametrized ranges in a fit.
file	rf314_paramfitrange.py
file	rf315_projectpdf.C
	Multidimensional models: marginizalization of multi-dimensional p.d.f.s through integration
file	rf315_projectpdf.py
file	rf316_llratioplot.C
	Multidimensional models: using the likelihood ratio technique to construct a signal enhanced one-dimensional projection of a multi-dimensional p.d.f.
file	rf316_llratioplot.py
file	rf401_importttreethx.C
	Data and categories: advanced options for importing data from ROOT TTree and THx histograms
file	rf402_datahandling.C
	Data and categories: tools for manipulation of (un)binned datasets
file	rf402_datahandling.py
file	rf403_weightedevts.C
	Data and categories: using weights in unbinned datasets
file	rf404_categories.C
	Data and categories: working with RooCategory objects to describe discrete variables
file	rf404_categories.py
file	rf405_realtocatfuncs.C
	Data and categories: demonstration of real-->discrete mapping functions
file	rf405_realtocatfuncs.py
file	rf406_cattocatfuncs.C
	Data and categories: demonstration of discrete-->discrete (invertable) functions
file	rf406_cattocatfuncs.py
file	rf407_latextables.C
	Data and categories: latex printing of lists and sets of RooArgSets
file	rf407_latextables.py
file	rf501_simultaneouspdf.C
	Organisation and simultaneous fits: using simultaneous p.d.f.s to describe simultaneous fits to multiple datasets
file	rf501_simultaneouspdf.py
file	rf502_wspacewrite.C
	Organisation and simultaneous fits: creating and writing a workspace
file	rf502_wspacewrite.py
file	rf503_wspaceread.C
	Organisation and simultaneous fits: reading and using a workspace
file	rf504_simwstool.C
	Organisation and simultaneous fits: using RooSimWSTool to construct a simultaneous p.d.f that is built of variations of an input p.d.f
file	rf504_simwstool.py
file	rf505_asciicfg.C
	Organisation and simultaneous fits: reading and writing ASCII configuration files
file	rf505_asciicfg.py
file	rf506_msgservice.C
	Organisation and simultaneous fits: tuning and customizing the RooFit message logging facility
file	rf506_msgservice.py
file	rf507_debugtools.C
	Organization and simultaneous fits: RooFit memory tracing debug tool
file	rf507_debugtools.py
file	rf508_listsetmanip.C
	Organization and simultaneous fits: RooArgSet and RooArgList tools and tricks
file	rf509_wsinteractive.C
	Organization and simultaneous fits: easy interactive access to workspace contents - CINT to CLING code migration
file	rf509_wsinteractive.py
file	rf510_wsnamedsets.C
	Organization and simultaneous fits: working with named parameter sets and parameter snapshots in workspaces
file	rf511_wsfactory_basic.C
	Organization and simultaneous fits: basic use of the 'object factory' associated with a workspace to rapidly build p.d.f.s functions and their parameter components
file	rf511_wsfactory_basic.py
file	rf512_wsfactory_oper.C
	Organization and simultaneous fits: operator expressions and expression-based basic p.d.f.s in the workspace factory syntax
file	rf513_wsfactory_tools.C
	Organization and simultaneous fits: RooCustomizer and RooSimWSTool interface in factory workspace tool in a complex standalone B physics example
file	rf513_wsfactory_tools.py
file	rf601_intminuit.C
	Likelihood and minimization: interactive minimization with MINUIT
file	rf602_chi2fit.C
	Likelihood and minimization: setting up a chi^2 fit to a binned dataset
file	rf603_multicpu.C
	Likelihood and minimization: setting up a multi-core parallelized unbinned maximum likelihood fit
file	rf603_multicpu.py
file	rf604_constraints.C
	Likelihood and minimization: fitting with constraints
file	rf604_constraints.py
file	rf605_profilell.C
	Likelihood and minimization: working with the profile likelihood estimator
file	rf606_nllerrorhandling.C
	Likelihood and minimization: understanding and customizing error handling in likelihood evaluations
file	rf607_fitresult.C
	Likelihood and minimization: demonstration of options of the RooFitResult class
file	rf607_fitresult.py
file	rf608_fitresultaspdf.C
	Likelihood and minimization: representing the parabolic approximation of the fit as a multi-variate Gaussian on the parameters of the fitted p.d.f.
file	rf608_fitresultaspdf.py
file	rf609_xychi2fit.C
	Likelihood and minimization: setting up a chi^2 fit to an unbinned dataset with X,Y,err(Y) values (and optionally err(X) values)
file	rf609_xychi2fit.py
file	rf610_visualerror.C
	Likelihood and minimization: visualization of errors from a covariance matrix
file	rf610_visualerror.py
file	rf701_efficiencyfit.C
	Speecial p.d.f.
file	rf701_efficiencyfit.py
file	rf702_efficiencyfit_2D.C
	Speecial p.d.f.
file	rf702_efficiencyfit_2D.py
file	rf703_effpdfprod.C
	Speecial p.d.f.
file	rf703_effpdfprod.py
file	rf704_amplitudefit.C
	Speecial p.d.f.
file	rf704_amplitudefit.py
file	rf705_linearmorph.C
	Speecial p.d.f.
file	rf706_histpdf.C
	Speecial p.d.f.
file	rf706_histpdf.py
file	rf707_kernelestimation.C
	Speecial p.d.f.
file	rf707_kernelestimation.py
file	rf708_bphysics.C
	Speecial p.d.f.
file	rf708_bphysics.py
file	rf801_mcstudy.C
	Validation and MC studies: toy Monte Carlo study that perform cycles of event generation and fitting
file	rf801_mcstudy.py
file	rf802_mcstudy_addons.C
	Validation and MC studies: RooMCStudy - using separate fit and generator models, using the chi^2 calculator model Running a biased fit model against an optimal fit.
file	rf803_mcstudy_addons2.C
	Validation and MC studies: RooMCStudy - Using the randomizer and profile likelihood add-on models
file	rf804_mcstudy_constr.C
	Validation and MC studies: using RooMCStudy on models with constrains
file	rf901_numintconfig.C
	Numeric algorithm tuning: configuration and customization of how numeric (partial) integrals are executed
file	rf902_numgenconfig.C
	Numeric algorithm tuning: configuration and customization of how MC sampling algorithms on specific p.d.f.s are executed
file	rf903_numintcache.C
	Numeric algorithm tuning: caching of slow numeric integrals and parameterization of slow numeric integrals