Hello
Is there a fast way (except adding the bin errors in quadrature) to get the error on the total sum of weights , i.e, analogous to h1.GetSumOfWeights() is there a way to h1.GetTotalError() ?
I hope my question makes sense.
TIA
Alex
Hello
Is there a fast way (except adding the bin errors in quadrature) to get the error on the total sum of weights , i.e, analogous to h1.GetSumOfWeights() is there a way to h1.GetTotalError() ?
I hope my question makes sense.
TIA
Alex
See TH1::GetStats(stats)
stats[1]
is the total sum of weight square.
Lorenzo
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