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From: =?ISO-8859-15?Q?Hans-Bernhard_Br=F6ker?= <HBBroeker@t-online.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Plotting a range accorrding to given numbers
Date: Tue, 31 Jan 2012 22:31:43 +0100
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On 31.01.2012 18:31, Gudrun wrote:
> Dear all
>
> Let's assume you have data given in such a form
> x y yerr
> 1 2 12 1
> 2 10 10 1
> 3 20 13 2
> 4 30 14 1
>
> The first column is basically the counter/index for all other columns.
> Can I tell gnuplot somehow to plot x(1:3), meaning plotting points 1 to
> 3 for columns x and also for y and yerr? I don't want to take care about
> the values, I would like to assign this by index.

You're not being terribly clear, but it seems like you might be 
searching for 'help every', particularly

	plot 'file' every ::0::2