[FIX] Weighted mean computation in Orange.statistics.util.stats#6204
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markotoplak merged 2 commits intobiolab:masterfrom Nov 18, 2022
Merged
[FIX] Weighted mean computation in Orange.statistics.util.stats#6204markotoplak merged 2 commits intobiolab:masterfrom
markotoplak merged 2 commits intobiolab:masterfrom
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The bug originates from 8a76580 by @nikicc. I nominate @pavlin-policar, who worked on similar code, to review this PR. :) |
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Additional details and impacted files@@ Coverage Diff @@
## master #6204 +/- ##
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Coverage 86.65% 86.65%
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Files 316 316
Lines 67991 67997 +6
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+ Hits 58918 58924 +6
Misses 9073 9073 |
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This was referenced Nov 16, 2022
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This looks good to me. I've re-run the failing tests, but, in case they don't pass, can I just ignore them? The failures have nothing to do with this code here, and this looks ready to merge. |
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Issue
The tests added in the first commit of this PR fail. The new tests test a combination of unit (ones) weights and NaNs, which should give exactly the same results as unweighted samples. Well, they do not, because we have been sloppy: the current code also divided with non-used weights (corresponding to NaN data entries).
Description of changes
The
nanmeanfunction was easy to extend with weights. For sparse I just needed to add a parameter. For dense I did an extension. Now,statsusesnanmeaninternally.Includes