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

[Philip Nienhuis]

Follow-up Comment #1, patch #10043 (project octave):

Thank you this contribution.

Running the demo in Octave-6.2.0, I get:

>> demo gscatter
gscatter example 1:
 load fisheriris;
 X = meas(:,3:4);
 cidcs = kmeans (X, 3, "Replicates", 5);
 gscatter (X(:,1), X(:,2), cidcs, [.75 .75 0; 0 .75 .75; .75 0 .75], "os^");
 title ("Fisher's iris data");

warning: load:
'C:\Programs\Octave\octave-6.2.0-w64-64\mingw64\share\octave\packages\statistics-1.4.2\fisheriris.mat'
found by searching load path
warning: called from
    __demo__ at line 3 column 2
    demo at line 154 column 7

warning: legend: 'best' not yet implemented for location specifier, using
'northeast' instead


The plot looks otherwise nice.

In octave-7.0.0 there's a warning that is a tad different:

gscatter example 1: failed
legend: no valid object to label


and the plot looks a bit incomplete.

Would you please look into these?

Could you please also supply a complete cset, i.e., with changes to Index.in
and NEWS? not strictly required but it makes processing patches a bit easier
here.

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