Roofitcore

RooFit core classes. These provide the infrastructure for building likelihood models.

Classes
class	Roo1DTable
	Roo1DTable implements a one-dimensional table. More...
class	RooAbsAnaConvPdf
	RooAbsAnaConvPdf is the base class for PDFs that represent a physics model that can be analytically convolved with a resolution model. More...
class	RooAbsArg
	RooAbsArg is the common abstract base class for objects that represent a value and a "shape" in RooFit. More...
class	RooAbsBinning
	RooAbsBinning is the abstract base class for RooRealVar binning definitions. More...
class	RooAbsCache
	RooAbsCache is the abstract base class for data members of RooAbsArgs that cache other (composite) RooAbsArg expressions. More...
class	RooAbsCachedPdf
	RooAbsCachedPdf is the abstract base class for p.d.f.s that need or want to cache their evaluate() output in a RooHistPdf defined in terms of the used observables. More...
class	RooAbsCachedReal
	RooAbsCachedReal is the abstract base class for functions that need or want to cache their evaluate() output in a RooHistFunc defined in terms of the used observables. More...
class	RooAbsCacheElement
	RooAbsCacheElement is the abstract base class for objects to be stored in RooAbsCache cache manager objects. More...
class	RooAbsCategory
	A space to attach TBranches. More...
class	RooAbsCategoryLValue
	RooAbsCategoryLValue is the common abstract base class for objects that represent a discrete value that can be set from the outside, i.e. More...
class	RooAbsCollection
	RooAbsCollection is an abstract container object that can hold multiple RooAbsArg objects. More...
class	RooAbsData
	RooAbsData is the common abstract base class for binned and unbinned datasets. More...
class	RooAbsDataStore
	RooAbsDataStore is the abstract base class for data collection that use a TTree as internal storage mechanism. More...
class	RooAbsFunc
	Abstract interface for evaluating a real-valued function of one real variable and performing numerical algorithms on it. More...
class	RooAbsGenContext
	RooAbsGenContext is the abstract base class for generator contexts of RooAbsPdf objects. More...
class	RooAbsHiddenReal
	RooAbsHiddenReal is a base class for objects that want to hide their return value from interactive use, e.g. More...
class	RooAbsIntegrator
	RooAbsIntegrator is the abstract interface for integrators of real-valued functions that implement the RooAbsFunc interface. More...
class	RooAbsLValue
	Abstract base class for objects that are lvalues, i.e. More...
class	RooAbsMCStudyModule
	RooAbsMCStudyModule is a base class for add-on modules to RooMCStudy that can perform additional calculations on each generate+fit cycle managed by RooMCStudy. More...
class	RooAbsMoment
	RooAbsMoment represents the first, second, or third order derivative of any RooAbsReal as calculated (numerically) by the MathCore Richardson derivator class. More...
class	RooAbsNumGenerator
	Class RooAbsNumGenerator is the abstract base class for MC event generator implementations like RooAcceptReject and RooFoam. More...
class	RooAbsOptTestStatistic
	RooAbsOptTestStatistic is the abstract base class for test statistics objects that evaluate a function or PDF at each point of a given dataset. More...
class	RooAbsPdf
class	RooAbsProxy
	RooAbsProxy is the abstact interface for proxy classes. More...
class	RooAbsReal
	RooAbsReal is the common abstract base class for objects that represent a real value and implements functionality common to all real-valued objects such as the ability to plot them, to construct integrals of them, the ability to advertise (partial) analytical integrals etc. More...
class	RooAbsRealLValue
	RooAbsRealLValue is the common abstract base class for objects that represent a real value that may appear on the left hand side of an equation ('lvalue'). More...
class	RooAbsRootFinder
	RooAbsRootFinder is the abstract interface for finding roots of real-valued 1-dimensional function that implements the RooAbsFunc interface. More...
class	RooAbsSelfCachedPdf
	RooAbsSelfCachedPdf is an abstract base class for probability density functions whose output is cached in terms of a histogram in all observables between getVal() and evaluate(). More...
class	RooAbsSelfCachedReal
	RooAbsSelfCachedReal is an abstract base class for functions whose output is cached in terms of a histogram in all observables between getVal() and evaluate(). More...
class	RooAbsStudy
	RooAbsStudy is an abstract base class for RooStudyManager modules. More...
class	RooAbsTestStatistic
	RooAbsTestStatistic is the abstract base class for all test statistics. More...
class	RooAcceptReject
	Class RooAcceptReject is a generic toy monte carlo generator implement the accept/reject sampling technique on any positively valued function. More...
class	RooAdaptiveGaussKronrodIntegrator1D
	RooAdaptiveGaussKronrodIntegrator1D implements the Gauss-Kronrod integration algorithm. More...
class	RooAdaptiveIntegratorND
	RooAdaptiveIntegratorND implements an adaptive one-dimensional numerical integration algorithm. More...
class	RooAddGenContext
	RooAddGenContext is an efficient implementation of the generator context specific for RooAddPdf PDFs. More...
class	RooAddition
	RooAddition calculates the sum of a set of RooAbsReal terms, or when constructed with two sets, it sums the product of the terms in the two sets. More...
class	RooAddPdf
	RooAddPdf is an efficient implementation of a sum of PDFs of the form. More...
class	RooAICRegistry
	RooAICRegistry is a utility class for operator p.d.f classes that keeps track of analytical integration codes and associated normalization and integration sets. More...
class	RooArgProxy
	RooArgProxy is the abstract interface for RooAbsArg proxy classes. More...
class	RooBinIntegrator
	RooBinIntegrator computes the integral over a binned distribution by summing the bin contents of all bins. More...
class	RooBinnedGenContext
	RooBinnedGenContext is an efficient implementation of the generator context specific for binned pdfs. More...
class	RooBinnedL
	Class RooBinnedL implements a -log(likelihood) calculation from a dataset (assumed to be binned) and a PDF. More...
class	RooBinning
	Class RooBinning is an implements RooAbsBinning in terms of an array of boundary values, posing no constraints on the choice of binning, thus allowing variable bin sizes. More...
class	RooBinningCategory
	Class RooBinningCategory provides a real-to-category mapping defined by a series of thresholds. More...
class	RooBrentRootFinder
	Implement the abstract 1-dimensional root finding interface using the Brent-Decker method. More...
class	RooCachedPdf
	RooCachedPdf is an implementation of RooAbsCachedPdf that can cache any external RooAbsPdf input function provided in the constructor. More...
class	RooCachedReal
	RooCachedReal is an implementation of RooAbsCachedReal that can cache any external RooAbsReal input function provided in the constructor. More...
class	RooCacheManager< T >
	Template class RooCacheManager manages the storage of any type of data indexed on the choice of normalization and optionally the set of integrated observables. More...
class	RooCategory
	RooCategory is an object to represent discrete states. More...
class	RooCategorySharedProperties
	RooCategorySharedProperties is the container for all properties that are shared between instance of RooCategory objects that are clones of each other. More...
class	RooChangeTracker
	RooChangeTracker is a meta object that tracks value changes in a given set of RooAbsArgs by registering itself as value client of these objects. More...
class	RooChi2Var
	RooChi2Var implements a simple \( \chi^2 \) calculation from a binned dataset and a PDF. More...
class	RooClassFactory
	RooClassFactory is a clase like TTree::MakeClass() that generates skeleton code for RooAbsPdf and RooAbsReal functions given a list of input parameter names. More...
class	RooCmdArg
	RooCmdArg is a named container for two doubles, two integers two object points and three string pointers that can be passed as generic named arguments to a variety of RooFit end user methods. More...
class	RooCmdConfig
	Class RooCmdConfig is a configurable parser for RooCmdArg named arguments. More...
class	RooCollectionProxy< RooCollection_t >
	RooCollectionProxy is the concrete proxy for RooArgSet or RooArgList objects. More...
class	RooCompositeDataStore
	RooCompositeDataStore combines several disjunct datasets into one. More...
class	RooConstraintSum
	RooConstraintSum calculates the sum of the -(log) likelihoods of a set of RooAbsPfs that represent constraint functions. More...
class	RooConstVar
	RooConstVar represent a constant real-valued object. More...
class	RooConvCoefVar
	RooConvCoefVar is an auxilary class that represents the coefficient of a RooAbsAnaConvPdf implementation as a separate RooAbsReal object to be able to interface these coefficient terms with the generic RooRealIntegral integration mechanism. More...
class	RooConvGenContext
	RooConvGenContext is an efficient implementation of the generator context specific for RooAbsAnaConvPdf objects. More...
class	RooConvIntegrandBinding
	Implementation of RooAbsFunc that represent the integrand of a generic (numeric) convolution A (x) B so that it can be passed to a numeric integrator. More...
class	RooCurve
	A RooCurve is a one-dimensional graphical representation of a real-valued function. More...
class	RooDataHist
	The RooDataHist is a container class to hold N-dimensional binned data. More...
class	RooDataHistSliceIter
	RooDataHistSliceIter iterates over all bins in a RooDataHist that occur in a slice defined by the bin coordinates of the input sliceSet. More...
class	RooDataProjBinding
	adaptor that projects a real function via summation of states provided in a dataset. More...
class	RooDataSet
	RooDataSet is a container class to hold unbinned data. More...
class	RooDataWeightedAverage
	Class RooDataWeightedAverage calculate a weighted average of a function or p.d.f given a dataset with observable values, i.e. More...
class	RooDerivative
	RooDerivative represents the first, second, or third order derivative of any RooAbsReal as calculated (numerically) by the MathCore Richardson derivator class. More...
class	RooDirItem
	RooDirItem is a utility base class for RooFit objects that are to be attached to ROOT directories. More...
class	RooDLLSignificanceMCSModule
	RooDLLSignificanceMCSModule is an add-on modules to RooMCStudy that calculates the significance of a signal by comparing the likelihood of a fit fit with a given parameter floating with a fit with that given parameter fixed to a nominal value (usually zero). More...
class	RooDouble
	RooDouble is a minimal implementation of a TObject holding a double value. More...
class	RooEffGenContext
	RooEffGenContext is a specialized generator context for p.d.fs represented by class RooEffProd, which are p.d.fs multiplied with an efficiency function. More...
class	RooEfficiency
	RooEfficiency is a PDF helper class to fit efficiencies parameterized by a supplied function F. More...
class	RooEllipse
	A RooEllipse is a two-dimensional ellipse that can be used to represent an error contour. More...
class	RooErrorVar
	RooErrorVar is an auxilary class that represents the error of a RooRealVar as a seperate object. More...
class	RooExpensiveObjectCache
	RooExpensiveObjectCache is a singleton class that serves as repository for objects that are expensive to calculate. More...
class	RooExtendedTerm
	RooExtendedTerm is a p.d.f with no observables that only introduces an extended ML term for a given number of expected events term when an extended ML is constructed. More...
class	RooFactoryWSTool
	RooFactoryWSTool is a class similar to TTree::MakeClass() that generates skeleton code for RooAbsPdf and RooAbsReal functions given a list of input parameter names. More...
class	RooFFTConvPdf
	PDF for the numerical (FFT) convolution of two PDFs. More...
class	RooFirstMoment
	RooFirstMoment represents the first, second, or third order derivative of any RooAbsReal as calculated (numerically) by the MathCore Richardson derivator class. More...
class	RooFitDriver
	This class can evaluate a RooAbsReal object in other ways than recursive graph traversal. More...
class	RooFoamGenerator
	Class RooFoamGenerator is a generic toy monte carlo generator that implement the TFOAM sampling technique on any positively valued function. More...
class	RooFormula
	RooFormula internally uses ROOT's TFormula to compute user-defined expressions of RooAbsArgs. More...
class	RooFracRemainder
	RooFracRemainder calculates the remainder fraction of a sum of RooAbsReal fraction, i.e (1 - sum_i a_i). More...
class	RooFunctor
	Lightweight interface adaptor that exports a RooAbsPdf as a functor. More...
class	RooGaussKronrodIntegrator1D
	RooGaussKronrodIntegrator1D implements the Gauss-Kronrod integration algorithm. More...
class	RooGenContext
	Class RooGenContext implement a universal generator context for all RooAbsPdf classes that do not have or need a specialized generator context. More...
class	RooGenericPdf
	RooGenericPdf is a concrete implementation of a probability density function, which takes a RooArgList of servers and a C++ expression string defining how its value should be calculated from the given list of servers. More...
class	RooGenFitStudy
	RooGenFitStudy is an abstract base class for RooStudyManager modules. More...
class	RooGenFunction
	Lightweight interface adaptor that exports a RooAbsReal as a ROOT::Math::IGenFunction. More...
class	RooGenProdProj
	RooGenProdProj is an auxiliary class for RooProdPdf that calculates a general normalised projection of a product of non-factorising PDFs, e.g. More...
class	RooGrid
	RooGrid is a utility class for RooMCIntegrator which implements an adaptive multi-dimensional Monte Carlo numerical integration, following the VEGAS algorithm. More...
class	RooHist
	A RooHist is a graphical representation of binned data based on the TGraphAsymmErrors class. More...
class	RooHistError
	RooHistError is a singleton class used to calculate the error bars for each bin of a RooHist object. More...
class	RooHistFunc
	RooHistFunc implements a real-valued function sampled from a multidimensional histogram. More...
class	RooHistPdf
	RooHistPdf implements a probablity density function sampled from a multidimensional histogram. More...
class	RooImproperIntegrator1D
	Special numeric integrator that can handle integrals over open domains. More...
class	RooInt
	RooInt is a minimal implementation of a TObject holding a Int_t value. More...
class	RooIntegrator1D
	RooIntegrator1D implements an adaptive one-dimensional numerical integration algorithm. More...
class	RooIntegrator2D
	RooIntegrator2D implements a numeric two-dimensiona integrator in terms of a recursive application of RooIntegrator1D. More...
class	RooIntegratorBinding
	Function binding representing the output of a RooAbsIntegrator. More...
class	RooInvTransform
	Lightweight function binding that returns the inverse of an input function binding. More...
class	RooLinkedList
	RooLinkedList is an collection class for internal use, storing a collection of RooAbsArg pointers in a doubly linked list. More...
class	RooLinkedListElem
	RooLinkedListElem is an link element for the RooLinkedList class. More...
class	RooLinTransBinning
	RooLinTransBinning is a special binning implementation for RooLinearVar that transforms the binning of the RooLinearVar input variable in the same way that RooLinearVar does. More...
class	RooMCIntegrator
	RooMCIntegrator implements an adaptive multi-dimensional Monte Carlo numerical integration, following the VEGAS algorithm originally described in G. More...
class	RooMCStudy
	RooMCStudy is a helper class to facilitate Monte Carlo studies such as 'goodness-of-fit' studies, that involve fitting a PDF to multiple toy Monte Carlo sets. More...
class	RooMinimizer
	RooMinimizer is a wrapper class around ROOT::Fit:Fitter that provides a seamless interface between the minimizer functionality and the native RooFit interface. More...
class	RooMoment
	RooMoment represents the first, second, or third order derivative of any RooAbsReal as calculated (numerically) by the MathCore Richardson derivator class. More...
class	RooMsgService
	The class RooMsgService is a singleton that organizes messages generated in RooFit. More...
class	RooMultiCategory
	RooMultiCategory connects several RooAbsCategory objects into a single category. More...
class	RooMultiGenFunction
	Lightweight interface adaptor that exports a RooAbsReal as a ROOT::Math::IMultiGenFunction. More...
class	RooMultiVarGaussian
	Multivariate Gaussian p.d.f. More...
class	RooNameReg
	RooNameReg is a registry for const char* names. More...
class	RooNLLVar
	Class RooNLLVar implements a -log(likelihood) calculation from a dataset and a PDF. More...
class	RooNLLVarNew
	This is a simple class designed to produce the nll values needed by the fitter. More...
class	RooNormSetCache
	Class RooNormSet cache manage the bookkeeping of multiple instances of sets of integration and normalization observables that effectively have the same definition. More...
class	RooNumber
	Class RooNumber implements numeric constants used by RooFit. More...
class	RooNumCdf
	Class RooNumCdf is an implementation of RooNumRunningInt specialized to calculate cumulative distribution functions from p.d.f.s. More...
class	RooNumConvolution
	Numeric 1-dimensional convolution operator PDF. More...
class	RooNumConvPdf
	Numeric 1-dimensional convolution operator PDF. More...
class	RooNumGenConfig
	RooNumGenConfig holds the configuration parameters of the various numeric integrators used by RooRealIntegral. More...
class	RooNumGenFactory
	RooNumGenFactory is a factory to instantiate numeric integrators from a given function binding and a given configuration. More...
class	RooNumIntConfig
	RooNumIntConfig holds the configuration parameters of the various numeric integrators used by RooRealIntegral. More...
class	RooNumIntFactory
	RooNumIntFactory is a factory to instantiate numeric integrators from a given function binding and a given configuration. More...
class	RooNumRunningInt
	Class RooNumRunningInt is an implementation of RooAbsCachedReal that represents a running integral. More...
class	RooObjCacheManager
	Class RooObjCacheManager is an implementation of class RooCacheManager<RooAbsCacheElement> and specializes in the storage of cache elements that contain RooAbsArg objects. More...
class	RooParamBinning
	Class RooParamBinning is an implementation of RooAbsBinning that constructs a binning with a range definition that depends on external RooAbsReal objects. More...
class	RooPlot
	A RooPlot is a plot frame and a container for graphics objects within that frame. More...
class	RooPlotable
	Class RooPotable is a base class for objects that can be inserted into RooPlots and take advantage of its internal normalization and axis range adjustment features. More...
class	RooPolyVar
	Class RooPolyVar is a RooAbsReal implementing a polynomial in terms of a list of RooAbsReal coefficients. More...
class	RooPrintable
	RooPlotable is a 'mix-in' base class that define the standard RooFit plotting and printing methods. More...
class	RooProdGenContext
	RooProdGenContext is an efficient implementation of the generator context specific for RooProdPdf PDFs. More...
class	RooProdPdf
	RooProdPdf is an efficient implementation of a product of PDFs of the form. More...
class	RooProduct
	A RooProduct represents the product of a given set of RooAbsReal objects. More...
class	RooProfileLL
	Class RooProfileLL implements the profile likelihood estimator for a given likelihood and set of parameters of interest. More...
class	RooProjectedPdf
	Class RooProjectedPdf is a RooAbsPdf implementation that represent a projection of a given input p.d.f and the object returned by RooAbsPdf::createProjection. More...
class	RooPullVar
	RooPullVar represents the pull of a measurement w.r.t. More...
class	RooQuasiRandomGenerator
	This class generates the quasi-random (aka "low discrepancy") sequence for dimensions up to 12 using the Niederreiter base 2 algorithm described in Bratley, Fox, Niederreiter, ACM Trans. More...
class	RooRandom
	This class provides a static interface for generating random numbers. More...
class	RooRandomizeParamMCSModule
	RooRandomizeParamMCSModule is an add-on modules to RooMCStudy that allows you to randomize input generation parameters. More...
class	RooRangeBinning
	RooRangeBinning is binning/range definition that only defines a range but no binning. More...
class	RooRangeBoolean
	RooRangeBoolean. More...
class	RooRatio
	A RooRatio represents the ratio of two given RooAbsReal objects. More...
class	RooRealAnalytic
	Lightweight RooAbsFunc interface adaptor that binds an analytic integral of a RooAbsReal object (specified by a code) to a set of dependent variables. More...
class	RooRealBinding
	Lightweight interface adaptor that binds a RooAbsReal object to a subset of its servers and present it as a simple array oriented interface. More...
class	RooRealConstant
	RooRealConstant provides static functions to create and keep track of RooRealVar constants. More...
class	RooRealIntegral
	RooRealIntegral performs hybrid numerical/analytical integrals of RooAbsReal objects. More...
class	RooFit::TestStatistics::RooRealL
	RooAbsReal that wraps RooAbsL likelihoods for use in RooFit outside of the RooMinimizer context. More...
class	RooRealMPFE
	RooRealMPFE is the multi-processor front-end for parallel calculation of RooAbsReal objects. More...
class	RooRealSumPdf
	The class RooRealSumPdf implements a PDF constructed from a sum of functions: More...
class	RooRealVar
	RooRealVar represents a variable that can be changed from the outside. More...
class	RooRealVarSharedProperties
	Class RooRealVarSharedProperties is an implementation of RooSharedProperties that stores the properties of a RooRealVar that are shared among clones. More...
class	RooRecursiveFraction
	Class RooRecursiveFraction is a RooAbsReal implementation that calculates the plain fraction of sum of RooAddPdf components from a set of recursive fractions: for a given set of input fractions \( {a_i} \), it returns \( a_n * \prod_{i=0}^{n-1} (1 - a_i) \). More...
class	RooRefCountList
	A RooRefCountList is a RooLinkedList that keeps a reference counter with each added node. More...
class	RooScaledFunc
	Lightweight RooAbsFunction implementation that applies a constant scale factor to another RooAbsFunc. More...
class	RooSecondMoment
	RooSecondMoment represents the first, second, or third order derivative of any RooAbsReal as calculated (numerically) by the MathCore Richardson derivator class. More...
class	RooSegmentedIntegrator1D
	RooSegmentedIntegrator1D implements an adaptive one-dimensional numerical integration algorithm. More...
class	RooSegmentedIntegrator2D
	RooSegmentedIntegrator2D implements an adaptive one-dimensional numerical integration algorithm. More...
class	RooSentinel
	RooSentinel is a special purpose singleton class that terminates all other RooFit singleton services when the process exits. More...
class	RooSharedProperties
	Class RooSharedProperties is the base class for shared properties that can be stored in RooSharedPropertiesList. More...
class	RooSimGenContext
	RooSimGenContext is an efficient implementation of the generator context specific for RooSimultaneous PDFs when generating more than one of the component pdfs. More...
class	RooSimSplitGenContext
	RooSimSplitGenContext is an efficient implementation of the generator context specific for RooSimultaneous PDFs when generating more than one of the component pdfs. More...
class	RooSimultaneous
	RooSimultaneous facilitates simultaneous fitting of multiple PDFs to subsets of a given dataset. More...
class	RooStringVar
	RooStringVar is a RooAbsArg implementing string values. More...
class	RooStudyManager
	RooStudyManager is a utility class to manage studies that consist of repeated applications of generate-and-fit operations on a workspace. More...
class	RooStudyPackage
	RooStudyPackage is a utility class to manage studies that consist of repeated applications of generate-and-fit operations on a workspace. More...
class	RooSubsidiaryL
	RooSubsidiaryL calculates the sum of the -(log) likelihoods of a set of RooAbsPdf objects that represent subsidiary or constraint functions. More...
class	RooFit::TestStatistics::RooSumL
	Likelihood class that sums over multiple -log components. More...
class	RooSuperCategory
	The RooSuperCategory can join several RooAbsCategoryLValue objects into a single category. More...
class	RooTable
	RooTable is the abstract interface for table objects. More...
class	RooTemplateProxy< T >
class	RooTFoamBinding
	Lightweight interface adaptor that binds a RooAbsPdf to TFOAM. More...
class	RooThresholdCategory
	The RooThresholdCategory provides a real-to-category mapping defined by a series of thresholds. More...
class	RooTObjWrap
	RooInt is a minimal implementation of a TNamed holding a TObject. More...
class	RooTrace
	Class RooTrace controls the memory tracing hooks in all RooFit objects. More...
class	RooTreeDataStore
	RooTreeDataStore is a TTree-backed data storage. More...
class	RooTruthModel
	RooTruthModel is an implementation of RooResolution model that provides a delta-function resolution model. More...
class	RooUnbinnedL
	Class RooUnbinnedL implements a -log(likelihood) calculation from a dataset (assumed to be unbinned) and a PDF. More...
class	RooUniformBinning
	RooUniformBinning is an implementation of RooAbsBinning that provides a uniform binning in 'n' bins between the range end points. More...
class	RooUnitTest
	RooUnit test is an abstract base class for unit regression tests for RooFit and RooStats tests performed in stressRooFit and stressRooStats Implementations of this class must implement abstract method testCode() which defines the regression test to be performed. More...
class	RooVectorDataStore
	RooVectorDataStore uses std::vectors to store data columns. More...
class	RooWorkspace
	The RooWorkspace is a persistable container for RooFit projects. More...