|  | 
| bool | ROOT::Fit::HFitInterface::AdjustError (const DataOptions &option, double &error, double value=1) | 
|  | 
| void | ROOT::Fit::DoFillData (BinData &dv, const TGraph *gr, BinData::ErrorType type, TF1 *func) | 
|  | 
| void | ROOT::Fit::HFitInterface::ExamineRange (const TAxis *axis, std::pair< double, double > range, int &hxfirst, int &hxlast) | 
|  | 
| void | ROOT::Fit::FillData (BinData &dv, const TGraph *gr, TF1 *func=nullptr) | 
|  | fill the data vector from a TGraph. 
 | 
|  | 
| void | ROOT::Fit::FillData (BinData &dv, const TGraph2D *gr, TF1 *func=nullptr) | 
|  | fill the data vector from a TGraph2D. 
 | 
|  | 
| void | ROOT::Fit::FillData (BinData &dv, const TH1 *hist, TF1 *func=nullptr) | 
|  | fill the data vector from a TH1. 
 | 
|  | 
| void | ROOT::Fit::FillData (BinData &dv, const THnBase *hist, TF1 *func=nullptr) | 
|  | fill the data vector from a THnBase. 
 | 
|  | 
| void | ROOT::Fit::FillData (BinData &dv, const TMultiGraph *gr, TF1 *func=nullptr) | 
|  | fill the data vector from a TMultiGraph. 
 | 
|  | 
| void | ROOT::Fit::FillData (SparseData &dv, const TH1 *hist, TF1 *func=nullptr) | 
|  | fill the data vector from a TH1 with sparse data. 
 | 
|  | 
| void | ROOT::Fit::FillData (SparseData &dv, const THnBase *hist, TF1 *func=nullptr) | 
|  | fill the data vector from a THnBase. 
 | 
|  | 
| bool | ROOT::Fit::GetConfidenceIntervals (const TH1 *h1, const ROOT::Fit::FitResult &r, TGraphErrors *gr, double cl=0.95) | 
|  | compute confidence intervals at level cl for a fitted histogram h1 in a TGraphErrors gr 
 | 
|  | 
| BinData::ErrorType | ROOT::Fit::GetDataType (const TGraph *gr, DataOptions &fitOpt) | 
|  | 
| BinData::ErrorType | ROOT::Fit::GetDataType (const TGraph2D *gr, const DataOptions &fitOpt) | 
|  | 
| void | ROOT::Fit::Init2DGaus (const ROOT::Fit::BinData &data, TF1 *f1) | 
|  | compute initial parameter for 2D gaussian function given the fit data Set the sigma limits for zero top 10* initial rms values Set the initial parameter values in the TF1 
 | 
|  | 
| void | ROOT::Fit::InitExpo (const ROOT::Fit::BinData &data, TF1 *f1) | 
|  | compute initial parameter for an exponential function given the fit data Set the constant and slope assuming a simple exponential going through xmin and xmax of the data set 
 | 
|  | 
| void | ROOT::Fit::InitGaus (const ROOT::Fit::BinData &data, TF1 *f1) | 
|  | compute initial parameter for gaussian function given the fit data Set the sigma limits for zero top 10* initial rms values Set the initial parameter values in the TF1 
 | 
|  | 
| bool | ROOT::Fit::HFitInterface::IsPointOutOfRange (const TF1 *func, const double *x) | 
|  |