[Octave-patch-tracker] [patch #10043] [octave forge] (statistics) Add function gscatter

[anonymous]

URL:
  <https://savannah.gnu.org/patch/?10043>

                 Summary: [octave forge] (statistics) Add function gscatter
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Wed 10 Mar 2021 07:28:05 PM UTC
                Category: Forge : new function
                Priority: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: s.guidoni@virgilio.it
             Open/Closed: Open
         Discussion Lock: Any

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Details:

This patch adds function 'gscatter', which is nothing more than a wrapper for
'scatter' to be used with grouped data.

There is an explanatory demonstration in the patch.

Major differences with MATLAB:
* it returns an array of graphics handle to scatter plots, instead of an array
of Line objects.
* by default MATLAB uses the input variable name as label for the axis (e.g.
gscatter(X, Y, g) shows a plot with the axes named 'X' and 'Y'), I tried
something similar but it does not work, it returns an empty string.
* the default symbol for the scatter plot is '.' which is a filled circle in
MATLAB and a small point in Octave (a small point which cannot be resized
apparently).

To be effectively used with 'kmeans' and 'silhouette'.



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File Attachments:


-------------------------------------------------------
Date: Wed 10 Mar 2021 07:28:05 PM UTC  Name: gscatter.diff  Size: 8KiB   By:
None

<http://savannah.gnu.org/patch/download.php?file_id=51039>

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