TF1->GetHistogram() errors calculation

ROOT
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1

Dear Experts,

After fitting histogram with TF1 function, i call TF1->GetHistogram() method on this function. I cannot find how errors are calculated in this new histogram. Does this method uses TF1->GetParErrors() in some way? Or i should calculate errors by myself?

Semyon Yurchenko

2

In principle, this histogram is only used to “visualize” the function (so, no errors at all) and it can be automatically deleted (when some methods are called).

3

Thank you for the answer.
Is there a way to calculate errors automatically from fit result?

4

afaik no