On Sat, Mar 04, 2017 at 08:38:45PM +0100, Dr. Walter Statistics wrote:
I checked it by using a published data set and three different
statistical programs including PSPP. I could not find any significant
differences between the results. PSPP's Mann Whitney U test procedure
seems to be working properly.
If Mandy's problem is the one I suspect it is, then it only manifests
itself when there are cases in the dataset which do not belong to either
group.J' -- Avoid eavesdropping. Send strong encrypted email. PGP Public key ID: 1024D/2DE827B3 fingerprint = 8797 A26D 0854 2EAB 0285 A290 8A67 719C 2DE8 27B3 See http://sks-keyservers.net or any PGP keyserver for public key.
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