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Groups > comp.graphics.apps.gnuplot > #1280

How to display the value in the n-th column in the 3rd from the last row in the file on a chart?

From TonyG <tgozdz@gmail.com>
Newsgroups comp.graphics.apps.gnuplot
Subject How to display the value in the n-th column in the 3rd from the last row in the file on a chart?
Date 2012-07-19 04:07 -0700
Organization http://groups.google.com
Message-ID <4cbe6f01-15ae-4e98-8f87-1975d57b4b5a@googlegroups.com> (permalink)

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I assume gnuplot 4.6 does not have a dedicated data file line addressing mechanism and I would have to use a script.  So, how do I display a specific value copied from a specific file (generated by a script) on a chart (using, for example, the 'set label 1 sprintf("a = %3.4f", a) at 500,50' command, a situation described in the title of my post?

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How to display the value in the n-th column in the 3rd from the last row in the file on a chart? TonyG <tgozdz@gmail.com> - 2012-07-19 04:07 -0700
  Re: How to display the value in the n-th column in the 3rd from the last row in the file on a chart? sfeam <sfeam@users.sourceforge.net> - 2012-07-19 07:45 -0700
    Re: How to display the value in the n-th column in the 3rd from the last row in the file on a chart? TonyG <tgozdz@gmail.com> - 2012-07-19 08:13 -0700
      Re: How to display the value in the n-th column in the 3rd from the last row in the file on a chart? sfeam <sfeam@users.sourceforge.net> - 2012-07-19 13:32 -0700
        Re: How to display the value in the n-th column in the 3rd from the last row in the file on a chart? TonyG <tgozdz@gmail.com> - 2012-07-21 08:19 -0700

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