TLinerFitter results

ROOT
1

Hello everyone,

performing a multiple linear regression with the TLinerFitter I noticed that the results are different from those obtained using an online calculator or Microsoft Excel (obviously on the same data). In particular the errors of the parameters seem to be divided by the square root of the number of entries. As a consequence also tests and p-values are different. Am I doing something wrong or am I missing something?

Thanks,

Gabriele

_ROOT Version: 6.24/04
_Platform: macOS Monterey 12.6.5

2

See “Notes” (in particular the “5.”) in the TGraph::Fit method description.

3

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