This is interesting in a for god's sake don't tell anybody you find it interesting if you want to get a date way: http://bit.ly/XJtxNO
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@PhilosophyExp in fairness, SPSS does publish its algorithms in the Help file
@mc_hankins I wonder how many people who just plug in the figures realise they might get different results if they use a different package?
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I think most assume that there is a 'standard' algorithm - we looked at this problem a few years back with cluster analysis
@PhilosophyExp -
@mc_hankins I'm programming an online M-W calculator. Not quite sure what approach to take (but probably I'll do combined ranks for ties). -
Would be useful to be able to select method & see imapact on result. Some interesting notes here: http://www.alglib.net/hypothesistesting/mannwhitneyu.php …
@PhilosophyExp
End of conversation
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