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r200
2008 Feb 11
1
tree() producing NA's
Hi
Hoping someone can help me (a newbie).
I am trying to construct a tree using tree() in package tree. One of the
fields is a factor field (owner), with many levels. In the resulting tree, I
see many NA's (see below), yet in the actual data there are none.
> rr200.tr <- tree(backprof ~ ., rr200)
> rr200.tr
1) root 200 1826.00 -0.2332
...
[snip]
...
5) owner: Cliveden Stud,NA,NA,NA,NA,NA,NA,NA,NA 10 14.25 1.5870 *
3) owner: B E T Partnership,Flaming Sambuca
Syndicate,NA,NA,NA,NA,NA,NA,NA,NA 11 384.40 10.5900
6) decodds < 12...
2008 Feb 11
0
Testing for differecnes between groups, need help to find the right test in R. (Kes Knave)
...ntent-Type: text/plain
Hi
Hoping someone can help me (a newbie).
I am trying to construct a tree using tree() in package tree. One of the
fields is a factor field (owner), with many levels. In the resulting
tree, I
see many NA's (see below), yet in the actual data there are none.
> rr200.tr <- tree(backprof ~ ., rr200)
> rr200.tr
1) root 200 1826.00 -0.2332
...
[snip]
...
5) owner: Cliveden Stud,NA,NA,NA,NA,NA,NA,NA,NA 10 14.25 1.5870 *
3) owner: B E T Partnership,Flaming Sambuca
Syndicate,NA,NA,NA,NA,NA,NA,NA,NA 11 384.40 10.5900
6) decodds < 12...