Is that the entire tree? If so there's a problem. The node status is
defined as follows in rf.h of the source code:
#define NODE_TERMINAL -1
#define NODE_TOSPLIT -2
#define NODE_INTERIOR -3
i.e., "-3" means "non-terminal" node.
Andy
> -----Original Message-----
> From: r-help-bounces at r-project.org
> [mailto:r-help-bounces at r-project.org] On Behalf Of NCS
> Sent: Friday, December 04, 2009 4:53 PM
> To: r-help at r-project.org
> Subject: [R] RandomForest - getTree status code
>
>
> What does a status value of -3 mean when I do a regression
> with RF and use the getTree function?
>
> left daughter right daughter split var split point
> status prediction
> 1 2 3 11 4.721000e+03
> -3 15.8489576
> 2 4 5 5 6.500000e+00
> -3 11.3240895
> 3 6 7 10 6.790674e+02
> -3 23.7250079
> 4 8 9 11 1.562500e+03
> -3 9.6885129
> 5 10 11 7 7.085000e+02
> -3 15.2126457
> 6 12 13 3 1.105000e+02
> -3 22.3736330
> 7 14 15 11 2.249400e+04
> -3 37.9011956
> 8 16 17 2 6.805105e+00
> -3 5.0804247
> 9 18 19 7 6.775000e+02
> -3 11.9877469
> 10 20 21 5 1.450000e+01
> -3 12.6068710
>
> Thanks
> ncs
>
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