RooFit

RooFit main classes for building likelihood models, mainly PDFs.

For an introduction check the user's guides, courses or the RooFit chapter of the Manual.

For tutorials see RooFit Tutorials.

Classes
class	Roo2DKeysPdf
	Two-dimensional kernel estimation PDF. More...
class	RooArgusBG
	RooArgusBG is a RooAbsPdf implementation describing the ARGUS background shape. More...
class	RooBCPEffDecay
	PDF describing decay time distribution of B meson including effects of standard model CP violation. More...
class	RooBCPGenDecay
	Implement standard CP physics model with S and C (no mention of lambda) Suitably stolen and modified from RooBCPEffDecay. More...
class	RooBDecay
	Most general description of B decay time distribution with effects of CP violation, mixing and life time differences. More...
class	RooBernstein
	Bernstein basis polynomials are positive-definite in the range [0,1]. More...
class	RooBifurGauss
	Bifurcated Gaussian p.d.f with different widths on left and right side of maximum value. More...
class	RooBlindTools
class	RooBMixDecay
	Class RooBMixDecay is a RooAbsAnaConvPdf implementation that describes the decay of B mesons with the effects of B0/B0bar mixing. More...
class	RooBreitWigner
	Class RooBreitWigner is a RooAbsPdf implementation that models a non-relativistic Breit-Wigner shape. More...
class	RooBukinPdf
	The RooBukinPdf implements the NovosibirskA function. More...
class	RooCBShape
	PDF implementing the Crystal Ball line shape. More...
class	RooCFunction1Binding< VO, VI >
	RooCFunction1Binding is a templated implementation of class RooAbsReal that binds generic C(++) functions to a RooAbsReal argument thus allowing generic C++ functions to be used as RooFit functions. More...
class	RooCFunction2Binding< VO, VI1, VI2 >
	RooCFunction2Binding is a templated implementation of class RooAbsReal that binds generic C(++) functions to a RooAbsReal argument thus allowing generic C++ functions to be used as RooFit functions. More...
class	RooCFunction3Binding< VO, VI1, VI2, VI3 >
	RooCFunction3Binding is a templated implementation of class RooAbsReal that binds generic C(++) functions to a RooAbsReal argument thus allowing generic C++ functions to be used as RooFit functions. More...
class	RooCFunction4Binding< VO, VI1, VI2, VI3, VI4 >
	RooCFunction4Binding is a templated implementation of class RooAbsReal that binds generic C(++) functions to a RooAbsReal argument thus allowing generic C++ functions to be used as RooFit functions. More...
class	RooChebychev
	Chebychev polynomial p.d.f. More...
class	RooChi2MCSModule
	RooChi2MCSModule is an add-on module to RooMCStudy that calculates the chi-squared of fitted p.d.f with respect to a binned version of the data. More...
class	RooChiSquarePdf
	The PDF of the Chi Square distribution for n degrees of freedom. More...
class	RooCrystalBall
	PDF implementing the generalized Asymmetrical Double-Sided Crystall Ball line shape. More...
class	RooDecay
	Single or double sided decay function that can be analytically convolved with any RooResolutionModel implementation. More...
class	RooDstD0BG
	Special p.d.f shape that can be used to model the background of D*-D0 mass difference distributions. More...
class	RooExponential
	Exponential PDF. More...
class	RooFunctor1DBinding
	RooCFunction1Binding is a templated implementation of class RooAbsReal that binds generic C(++) functions to a RooAbsReal argument thus allowing generic C++ functions to be used as RooFit functions. More...
class	RooFunctor1DPdfBinding
class	RooFunctorBinding
	RooFunctorBinding makes math functions from ROOT usable in RooFit. More...
class	RooFunctorPdfBinding
	RooFunctorPdfBinding makes math functions from ROOT usable as PDFs in RooFit. More...
class	RooGamma
	Implementation of the Gamma PDF for RooFit/RooStats. More...
class	RooGaussian
	Plain Gaussian p.d.f. More...
class	RooGaussModel
	Class RooGaussModel implements a RooResolutionModel that models a Gaussian distribution. More...
class	RooGExpModel
	The RooGExpModel is a RooResolutionModel implementation that models a resolution function that is the convolution of a Gaussian with a one-sided exponential. More...
class	RooHistConstraint
	The RooHistConstraint implements constraint terms for a binned PDF with statistical uncertainties. More...
class	RooIntegralMorph
	Class RooIntegralMorph is an implementation of the histogram interpolation technique described by Alex Read in 'NIM A 425 (1999) 357-369 'Linear interpolation of histograms' for continuous functions rather than histograms. More...
class	RooJeffreysPrior
	Implementation of Jeffrey's prior. More...
class	RooJohnson
	Johnson's \( S_{U} \) distribution. More...
class	RooKeysPdf
	Class RooKeysPdf implements a one-dimensional kernel estimation p.d.f which model the distribution of an arbitrary input dataset as a superposition of Gaussian kernels, one for each data point, each contributing 1/N to the total integral of the pdf. More...
class	RooLagrangianMorphFunc
	Class RooLagrangianMorphing is a implementation of the method of Effective Lagrangian Morphing, described in ATL-PHYS-PUB-2015-047. More...
class	RooLandau
	Landau distribution p.d.f. More...
class	RooLegacyExpPoly
	RooLegacyExpPoly implements a polynomial PDF of the form. More...
class	RooLegendre
	Compute the associated Legendre polynomials using ROOT::Math::assoc_legendre(). More...
class	RooLognormal
	RooFit Lognormal PDF. More...
class	RooMathCoreReg
class	RooMathMoreReg
class	RooMomentMorph
class	RooMomentMorphFunc
class	RooMomentMorphFuncND
class	RooMultiBinomial
	RooMultiBinomial is an efficiency function which makes all combinations of efficiencies given as input different efficiency functions for different categories. More...
class	RooNDKeysPdf
	Generic N-dimensional implementation of a kernel estimation p.d.f. More...
class	RooNonCentralChiSquare
	The PDF of the Non-Central Chi Square distribution for n degrees of freedom. More...
class	RooNonCPEigenDecay
	Time-dependent RooAbsAnaConvPdf for CP violating decays to Non-CP eigenstates (eg, \( B_0 \rightarrow \rho^\pm \pi^\mp\)). More...
class	RooNovosibirsk
	RooNovosibirsk implements the Novosibirsk function. More...
class	RooParametricStepFunction
	The Parametric Step Function PDF is a binned distribution whose parameters are the heights of each bin. More...
class	RooParamHistFunc
	A histogram function that assigns scale parameters to every bin. More...
class	RooPoisson
	Poisson pdf. More...
class	RooPolyFunc
	RooPolyFunc implements a polynomial function in multi-variables. More...
class	RooPolynomial
	RooPolynomial implements a polynomial p.d.f of the form. More...
class	RooPowerSum
	RooPowerSum implements a power law PDF of the form. More...
class	RooSpHarmonic
	Implementation of the so-called real spherical harmonics, using the orthonormal normalization, which are related to spherical harmonics as: More...
class	RooSpline
	A RooFit class for creating spline functions. More...
class	RooStepFunction
	The Step Function is a binned function whose parameters are the heights of each bin. More...
class	RooTFnBinding
	Use TF1, TF2, TF3 functions as RooFit objects. More...
class	RooTFnPdfBinding
class	RooTMathReg
class	RooUnblindCPAsymVar
	Implementation of BlindTools' CP asymmetry blinding method A RooUnblindCPAsymVar object is a real valued function object, constructed from a blind value holder and a set of unblinding parameters. More...
class	RooUnblindOffset
	Implementation of BlindTools' offset blinding method A RooUnblindOffset object is a real valued function object, constructed from a blind value holder and a set of unblinding parameters. More...
class	RooUnblindPrecision
	Implementation of BlindTools' precision blinding method A RooUnblindPrecision object is a real valued function object, constructed from a blind value holder and a set of unblinding parameters. More...
class	RooUnblindUniform
	Implementation of BlindTools' offset blinding method. More...
class	RooUniform
	Flat p.d.f. More...
class	RooVoigtian
	RooVoigtian is an efficient implementation of the convolution of a Breit-Wigner with a Gaussian, making use of the complex error function. More...