[ROOT] variance covariance matrix

From: marco kienzle (kienzle@irma.pa.cnr.it)
Date: Mon Jan 28 2002 - 11:22:24 MET

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Dear rooters,

I am a new user of ROOT and didn't find answers to the following questions
in the RootTalkDigest:
- How do I get the variance-covariance matrix of the fit of a function to an
histogram (TH1F) when I use the method  Fit (hist->Fit("func");) ?
- Is there a method to draw 95% confidence interval of the prediction of the
fitted function ?

thanks in advance,
marco

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Dott. Kienzle Marco
CNR-IRMA
Laboratorio di Biologia Marina
Via G.da Verrazzano 17
91 014 Castellammare del Golfo (TP)
ITALIA

tel:  0924/ 35013
fax 0924/  35084
Email: kienzle@irma.pa.cnr.it

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