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From: =?ISO-8859-1?Q?Hans-Bernhard_Br=F6ker?= <HBBroeker@t-online.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Correlation coefficient
Date: Wed, 15 Jun 2011 00:16:20 +0200
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Xref: x330-a1.tempe.blueboxinc.net comp.graphics.apps.gnuplot:381

On 14.06.2011 16:11, David Marçal wrote:

> So, Gnuplot doesn't give me the r_xy coefficient! I made a FORTRAN
> program to calculate this r_xy for me, but I have to run the program
> for
> every fit linear I plot! I don't want to do this! Is there anyway to
> get this
> r_xy from Gnuplot or I have to run the FORTRAN program everytime?

The real issue is whether that r_xy is all that useful as you seem to 
think it is.  Maybe you'ld be be better just not computing it at all?