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(parent: 3db3eb0) | patch
Fixed a bug in the Mann-Whitney test vs. missing=analysis.
authorJohn Darrington <john@darrington.wattle.id.au>
Tue, 7 Mar 2017 05:31:49 +0000 (06:31 +0100)
committerJohn Darrington <john@darrington.wattle.id.au>
Tue, 7 Mar 2017 05:31:49 +0000 (06:31 +0100)
commitc875597832d56353461bafd46e268f0ba5fbb5da
treee69aca962d858e192e8b3c5136390c13f4677c1btree | snapshot
parent3db3eb092e5ea941d815e6377ecdb5ea260a5a25commit | diff
Fixed a bug in the Mann-Whitney test vs. missing=analysis.

When missing values were deleted from the dataset, they were deleted after the
ranks for the U value had been inserted, - thus the wrong rank sum would be
calculated.  This change deletes missing values *before* the ranks are inserted.

The issue this fixes is described at
http://lists.gnu.org/archive/html/pspp-users/2017-03/msg00009.html
NEWS diff | blob | history
src/language/stats/mann-whitney.c diff | blob | history
tests/automake.mk diff | blob | history
tests/language/mann-whitney.txt [new file with mode: 0644] blob
tests/language/stats/npar.at diff | blob | history
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