[ROOT] Chi2 from fit

From: Tilmann Colberg (colberg@SLAC.stanford.edu)
Date: Fri Dec 15 2000 - 03:52:26 MET


Hi,

doing a simple fit with histo->fit() I would like to access the value of
the chi2 afterwards. If I have understood right this is just the value
printed onto the screen as FCN=... in the case of the default chi2 
fit, so in principle this piece of information is there. Is there any
method to access it or do I have to calculate it on my own from the data
points and the fit params?

Thanks in advance,

Til



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