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From: Karl Ratzsch <mail.kfr@gmx.net>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: stats for a row not a column
Date: Tue, 9 Feb 2016 10:15:43 +0100
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Am 07.02.2016 um 17:54 schrieb Karl Ratzsch:
> Limiting the y range with "stats matrix" indeed doesn't work:
> 
>   $dat << EOD
>   10 10 10
>   20 20 20
>   40 40 40
>   100 1000 10000
>   EOD
> 
>   stats [:] [1:1] $dat matrix
> 
> The second range specifier refers to the data (z) values, not the
> constructed abscissa values. "set yrange" has no effect.
> 
> And there seems to be a general problem with stat matrix, it interacts
> strangely with splot:
> 
>   splot $dat
>   stats $dat matrix
> 
> gives the mean of the x-axis values (here 0,1,2), as long as that splot
> is the last plot command. If you give
> 
>   plot $dat
>   stats $dat matrix
> 
> the correct mean is again returned.

I've filed a bug on https://sourceforge.net/p/gnuplot/bugs/1739/ for this.