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Groups > comp.graphics.apps.gnuplot > #1270

Re: Correlation coefficient

From Hans-Bernhard Bröker <HBBroeker@t-online.de>
Newsgroups comp.graphics.apps.gnuplot
Subject Re: Correlation coefficient
Date 2012-07-14 18:29 +0200
Message-ID <a6dl3uFfr5U1@mid.dfncis.de> (permalink)
References (2 earlier) <5f9b9ef2-4e51-4c6d-8951-83feb1b5e774@c20g2000vbv.googlegroups.com> <95mjm9F19cU1@mid.dfncis.de> <0fb8d538-97d6-455c-9f86-f8ecaf7a4583@b1g2000yql.googlegroups.com> <95q4sdF9m0U1@mid.dfncis.de> <9012ddb5-61bd-43cd-a54b-364afbbbf9d8@googlegroups.com>

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On 14.07.2012 17:37, alexis.paz@gmail.com wrote:
> El martes, 14 de junio de 2011 19:16:20 UTC-3, Hans-Bernhard Bröker
> escribió:

>> The real issue is whether that r_xy is all that useful as you seem
>> to think it is.  Maybe you&#39;ld be be better just not computing
>> it at all?

You're aware that you're replying to a post that's over one year old, right?

> I think the problem is how compare the "goodness of fit" between two
> curves. The chisqure from the gnuplot depends on the magnitude on the
> axis.

Only if you neglect to specify properly scaled error bars --- if you're 
going to be that negligent, you shouldn't be expecting serious results 
from _any_ mathematical tool.

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Re: Correlation coefficient alexis.paz@gmail.com - 2012-07-14 08:37 -0700
  Re: Correlation coefficient Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2012-07-14 18:29 +0200

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