[R] kendall tau a,b,c

From: martin klein <mklein_at_cs.odu.edu>
Date: Mon, 05 May 2008 09:59:11 -0400 (EDT)


i have 2 lists of ranks for which i'd like to compute kendall tau. there are ties in the ranks which (to the best of my knowledge) means i cant use tau a but rather b or c.
how does R handle that? are ties automatically detected (using corr.test()) and is tau b/c computed instead of tau a? also kendall does not work when values in list 1 do not occur in list 2 (and vice versa) - how does R handle that, since it still returns results? thx a mio!


perl -l -e 'print join "", reverse split //, "!nuf evah"'

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