| TGo4FitAmplEstimation | Amplitude estimation action In additional to general minimization routine very useful amplitude estimation algorithm can be used |
| TGo4FitAssignment | Internal class, used for assignment of model component to data |
| TGo4FitAxisTrans | Base class for axis transformation objects |
| TGo4FitComponent | Basic absrtact class, combining common properties of data and model |
| TGo4FitData | Basic abstract class for representing data, which should be fitted |
| TGo4FitDataGraph | Data object, which provides access to TGraph and TGraphErrors ROOT objects |
| TGo4FitDataGraphIter | |
| TGo4FitDataHistogram | Data objects, which provides access to generic TH1 ROOT histogram |
| TGo4FitDataHistogramIter | |
| TGo4FitDataIter | Iterator class for data object |
| TGo4FitDataProfile | Data object, which provides access to TProfile ROOT class |
| TGo4FitDataProfileIter | |
| TGo4FitDataRidge | Special object to approxiamte ridges on multi-dimensional histograms |
| TGo4FitDataRidgeIter | |
| TGo4FitDependency | Object, used to store dependency of one parameter from other, calculated via expression |
| TGo4FitLinearTrans | The linear transfromation of selected data axis |
| TGo4FitMatrixTrans | Matrix transfromation of scale values |
| TGo4FitMinuit | Minuit minimization action Now only TGo4FitMinuit class, provided general minimization routine, is available |
| TGo4FitMinuitResult | Result values, taken from Minuit object |
| TGo4FitModel | Basic abstract class for represnting model components of fitted data |
| TGo4FitModelFormula | Model object, which uses ROOT TFormula class facility |
| TGo4FitModelFromData | Model object, which is uses TGo4FitData object to produce model bins |
| TGo4FitModelFunction | Model objects, which uses external user function to calculate model values |
| TGo4FitModelGauss1 | One dimensional gaussian peak |
| TGo4FitModelGauss2 | Two dimensional gaussian peak |
| TGo4FitModelGaussN | N-dimensional gaussian peak |
| TGo4FitModelPolynom | Model objects, which reproduce component of polynomial function |
| TGo4FitNamed | Extension of ROOT TNamed class |
| TGo4FitParameter | Model and data objects parameter |
| TGo4FitParsList | List of TGo4FitParameter objects |
| TGo4FitPeakFinder | Output action To add some output to actions, TGo4FitterOutput action class should be used |
| TGo4FitSlot | Object for managing pointers on specific objects |
| TGo4FitSlotList | |
| TGo4Fitter | Central class of Go4Fit package |
| TGo4FitterAbstract | Abstract fitter class |
| TGo4FitterAction | Basic class for objects, which performs actions on fitter |
| TGo4FitterConfig | Fitter configuration action By default all fitter parameters are used in optimization as independent from each other |
| TGo4FitterOutput | Output action To add some output to actions, TGo4FitterOutput action class should be used |
| TMinuitEx | |
