What kind of tree do you want? The sos() package can help you find R
functions associated with a particular topic:
# install.packages('sos')
library('sos')
> findFn('tree')
found 2798 matches; retrieving 20 pages, 400 matches.
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20> findFn('classification tree')
found 202 matches; retrieving 11 pages
2 3 4 5 6 7 8 9 10 11> findFn('regression tree')
found 339 matches; retrieving 17 pages
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
The results from each request are displayed in your browser.
Hope this enough to get you started...
Dennis
On Mon, Oct 24, 2011 at 11:32 AM, sihuapeng <sihuapeng at gmail.com>
wrote:> I have the data set like this:
> ? ? ? A ? ? ? ? B ? ? ? ? C ? ? ? ? D ? ? E
> A ? ?2 ? ? ? ? ?235 ? ? ?327 ? ? 278 ? 2569
> B ? ?244 ? ? ? 5 ? ? ? ? 122 ? ? 248 ? 259
> C ? ?324 ? ? ? 2235 ? ?13 ? ? ?98 ? ? 69
> D ? ?22 ? ? ? ?23 ? ? ? ?2 ? ? ? 7 ? ? ? 6569
> E ? ?23 ? ? ? ?2 ? ? ? ? 2 ? ? ? ?278 ? 9
>
> This is the interaction data between A, B, C, D, and E.
>
> How to construct a tree including A-E?
>
>
>
>
> --
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