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2004 Jan 07
0
rpart question on loss matrix
Hello again
I've looked through ?rpart, Atkinson & Therneau (1997), Chap 10 of
Venables and Ripley, Breman et al., and the r hgelp archives but
haven't seen the answer to these two questions
1) How does rpart deal with asymmetric loss matrices? Breiman et al.
suggest some possibilities, but, of course, do not say how rpart does
it.
2) In the loss matrix, which direction (column or row) is 'truth' and
which '...