Re: fit option

From: Jean-Eric Campagne <campagne_at_lal.in2p3.fr>
Date: Wed, 15 Jun 2005 16:14:22 +0200


Thanks Olivier, I was going mad...
Cheers
J.E

--On mercredi 15 juin 2005 16:12 +0200 Olivier Couet <couet_at_mail.cern.ch> wrote:

>
> Hi,
>
> The TStyle doc says:
>
> // The type of information about fit parameters printed in the histogram
> // statistics box can be selected via the parameter mode.
> // The parameter mode can be = pcev (default = 0111)
> // v = 1; print name/values of parameters
> // e = 1; print errors (if e=1, v must be 1)
> // c = 1; print Chisquare/Number of degrees of freedom
> // p = 1; print Probability
> // Example: gStyle->SetOptFit(1011);
> // print fit probability, parameter names/values and errors.
> // When "v"=1 is specified, only the non-fixed parameters are shown.
> // When "v"=2 all parameters are shown.
> // see also SetOptStat below.
>
> Reading my guess would be that you get only the parameter using:
>
> gStyle->SetOptFit(1)
>
> But you get also Chi/ndf and Errors.
> Playing a bit with the option I found you get what you want with:
>
> gStyle->SetOptFit(2)
>
> I will check why the obvious way does not work as explained in the doc.
>
> Cheers, Olivier
>
> On Wed, 15 Jun 2005, Jean-Eric Campagne wrote:
>
>> Helllo,
>> I would like to show ONLY
>> parameter values obtained after a histogram fit, that is to say wo any
>> Chi2/ndof, neither Prob, neither parameter errors.
>> How should I set gStyle->SetOptFit(XXXX)?
>> I have tried XXXX=1001 but prob is shown, but using XXX=0001 then the
>> defualt is used with Chi2/ndof + param + errors...
>>
>> Regards
>> Jean-Eric
>>
>> ........................................................................
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>>
>>
>>
>
> --
> Org: CERN - European Laboratory for Particle Physics.
> Mail: 1211 Geneve 23 - Switzerland Mailbox: J25910
> E-Mail: Olivier.Couet_at_cern.ch Phone: +41 22
> 7676522 WWW: http://cern.ch/Olivier.Couet/ Fax:
> +41 22 7670300

...........................................................................
.LAL - IN2P3 - CNRS
.LAL - B.P 34 - 91898 Orsay Cedex - France
.Piece 108
.Tel +33 (0)1 64 46 84 29

.Fax +33 (0)1 64 46 83 97
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Received on Wed Jun 15 2005 - 16:14:28 MEST

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