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Speed up Wilcoxon matched-pairs signed-ranks significance routine.
author
Ben Pfaff
<blp@gnu.org>
Fri, 6 Feb 2009 05:25:55 +0000
(21:25 -0800)
committer
Ben Pfaff
<blp@gnu.org>
Fri, 6 Feb 2009 05:25:55 +0000
(21:25 -0800)
The performance of this routine was O(2**N). This improves it to
O(N*W). For N=30, W=120 this reduces calculation time from 6m9s
to .002s, which is a 123000x speedup.
Refer to bug #25466 for more information.
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