[R] tree construction

[Dennis Murphy]

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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>
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