search for: boehnk

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2012 Feb 19
3
Non-parametric test for repeated measures and post-hoc single comparisons in R?
...1:7, 17*6, repl=T ), nrow = 17, byrow = TRUE, dimnames = list(1:17, paste( 'T', 1:6, sep='' )) ) I found the Friedman test and the Quade test for testing the overall hypothesis. friedman.test( x ) quade.test( x ) However, the R help files, my text books (Bortz, Lienert and Boehnke, 2008; K?hler, Schachtel and Voleske, 2007; both German), and the Wikipedia texts differ in what they propose as requirements for the tests. R says that data need to be unreplicated. I read 'unreplicated' as 'not-repeated', but is that right? If so, the example, in contrast, i...
2006 Aug 25
1
exact Wilcoxon signed rank test with ties and the "no longer under development" exactRanksumTests package
...ate the exact values with ties. Is there any other package that is providing a similiar test? Or is there an easy work out how to take the ties into account? (Or a chance that the correction is taken into account for the stats package?) Stefan Grosse Take the following example from Bortz/Lienert/Boehnke: > x1<-c(9,14,8,11,14,10,8,14,12,14,13,9,15,12,9) > x2<-c(13,15,9,12,16,10,8,13,12,16,9,10,16,12,9) # exactRankTests package: > wilcox.exact(x1,x2,paired=TRUE) Exact Wilcoxon signed rank test data: x1 and x2 V = 13, p-value = 0.1367 alternative hypothesis: true mu is n...