In addition to Cedric's comments, these are large sample procedures. Your sample sizes are two small. I don't think any procedures using normal approximations are inappropriate for your case. I would suggest making a reasonable distribution on the populations to avoid asymptotic results. -- View this message in context: http://r.789695.n4.nabble.com/U-value-from-wilcox-test-tp2332811p2529823.html Sent from the R help mailing list archive at Nabble.com.
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