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Groups > comp.graphics.apps.gnuplot > #2963

Re: 2-dimensional data frequency plot

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Am 30.06.2015 um 11:40 schrieb HALSA:
> hello community, i am using gnuplot 5.0 and trying to create a so
> called frequency or density plot of a 2dimensional data set. I
> basically have x and y data values and want to define bins for x and
> y intervals to Count data which fall in a certain x-y area and
> Display the Count with Color mapping. i managed to find a lot of help
> for the binning of one data set and Displaying the frequency with a
> Histogramm but nothing on the 2D Problem.

I think you want to check "set dgrid3d" with a "box" kernel. That's
basically the 2D version of "smooth frequency".

There are a number of other kernels available, see "help dgrid3d".

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2-dimensional data frequency plot HALSA <sara.hallouda@googlemail.com> - 2015-06-30 02:40 -0700
  Re: 2-dimensional data frequency plot Karl Ratzsch <mail.kfr@gmx.net> - 2015-06-30 13:22 +0200
    Re: 2-dimensional data frequency plot HALSA <sara.hallouda@googlemail.com> - 2015-07-01 03:18 -0700

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