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slightly wrong chisq since the 0-bin entries were treated wrongly for scaled N0/Bkg data (MUSR-193)

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nemu
2011-05-25 14:39:54 +00:00
parent 0ebf68156a
commit db4425e352
2 changed files with 3 additions and 2 deletions
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4
src/classes/PRunSingleHisto.cpp
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@ -708,7 +708,7 @@ Bool_t PRunSingleHisto::PrepareFitData(PRawRunData* runData, const UInt_t histoN
value /= normalizer;
fData.AppendValue(value);
if (value == 0.0)
fData.AppendErrorValue(1.0);
fData.AppendErrorValue(1.0/normalizer);
else
fData.AppendErrorValue(TMath::Sqrt(value));
} else { // packed data, i.e. fRunInfo->GetPacking() > 1
@ -716,7 +716,7 @@ Bool_t PRunSingleHisto::PrepareFitData(PRawRunData* runData, const UInt_t histoN
value /= normalizer;
fData.AppendValue(value);
if (value == 0.0)
fData.AppendErrorValue(1.0);
fData.AppendErrorValue(1.0/normalizer);
else
fData.AppendErrorValue(TMath::Sqrt(value));
// reset values