Geting sigma

Roofit and RooStats
1

Hi

Im fitting Gauss in a loop works OK! My question is how can i get sigma from each fit ?

  for (Int_t sl=0; sl<2; sl++) 
  {  
    
    for (Int_t ch=0; ch<16; ch++) 
    {

      ADC_calib[sl][ch]->Fit("gaus");
      ADC_calib[sl][ch]->Get
      
     
    }
  }

JB

2

See: [url]Reading the result of a fit from a file
Search for “associated functions” in TH1 and TGraph documentation.