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[Octave-bug-tracker] [bug #50286] [octave forge] (statistics) fitgmdist:
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From: |
Nicholas Jankowski |
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Subject: |
[Octave-bug-tracker] [bug #50286] [octave forge] (statistics) fitgmdist: No input check and demo doesn't work |
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Date: |
Sat, 6 Aug 2022 11:59:42 -0400 (EDT) |
Follow-up Comment #3, bug #50286 (project octave):
for easier copy paste here's the current failing demo code that should run
after loading the statistics pkg :
## Generate a two-cluster problem
C1 = randn (100, 2) + 1;
C2 = randn (100, 2) - 1;
data = [C1; C2];
## Perform clustering
GMModel = fitgmdist (data, 2);
## Plot the result
figure
[heights, bins] = hist3([C1; C2]);
[xx, yy] = meshgrid(bins{1}, bins{2});
bbins = [xx(:), yy(:)];
contour (reshape (GMModel.pdf (bbins), heights));
hold on
plot (centers (:, 1), centers (:, 2), "kv", "markersize", 10);
hold off
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