search for: ordinalchisq

Displaying 1 result from an estimated 1 matches for "ordinalchisq".

2011 Oct 06
1
Wilcox Test / Mann Whitney U Test
...o List, I'm trying to prepare some lecture notes on non parametric methods, and I can't manually reproduce the results of the wilcox.test function for ordinal data. The data I'm using are from David Howell's website, available here http://www.uvm.edu/~dhowell/StatPages/More_Stuff/OrdinalChisq/OrdinalChiSq.html If I run the wilcox.test function on the data I get a p-value of .0407, but when I do it myself I get a p-value of 0.0530. It's not so much the jump across 0.05, but the fact that I thought I knew what the function was doing. I know from the R help page that there is some c...