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Groups > comp.graphics.apps.gnuplot > #1289

Re: Plotting datapoints of different blocks in one graph

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On Saturday, July 21, 2012 2:28:40 PM UTC+2, Georg wrote:
> Hi everybody,
> 
> I have a dataset, consitsting of multiple blocks. I used that to get different plots for each block. Now I need only the nth line of each block and I need gnuplot to plot this as one graph.
> 
> Illustration:
> # Datablock 1
> 1  2.3
> 2  2.4   <-- 1st datapoint I need
> 3  2.5
> 
> # Datablock 2
> 1  3.3
> 2  3.4   <-- 2nd datapoint I need
> 3  3.5
> 
> #...
> .
> .       <-- ...
> .
> 
> 
> I can plot these points separately, making use of "every ::2::2" (and leaving out "index" at all), but gnuplot doesn't combine them to a dataset (for example: "with linespoints" gives me still single dots). That would be crucial, because I need a fit through these points.
> 
> Any ideas would be greatly appreciated!
> Thanks,
> Georg

One workaround would be deleting the newlines between blocks. Although it makes plotting the data by blocks a little more inconvenient (via "every") it makes the above possible.

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Plotting datapoints of different blocks in one graph Georg <g.hasselberg@gmail.com> - 2012-07-21 05:28 -0700
  Re: Plotting datapoints of different blocks in one graph Georg <g.hasselberg@gmail.com> - 2012-07-21 06:02 -0700
  Re: Plotting datapoints of different blocks in one graph Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2012-07-21 22:45 +0200

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