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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: Sat, 04 Feb 2012 18:43:23 +0100
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On 03.02.2012 16:59, Gudrun wrote:

> I just want to plot x-column, y-column, and error-column with the help
> of the index-column.

The nature of that "help" is still a bit unclear, because the index 
column in your example file is deceptively simple.  As-is, it's actually 
superfluous, because it's just the line number.  So the 'every' option I 
mentioned before could actually do what you want in this particular case.

The question remains what is supposed to happen if the index column 
were, say

0
5
1
3
2
4

or

5
4
3
2
1
0