Displaying 3 results from an estimated 3 matches for "bdrgrow1".
2000 Jun 15
2
tree error message
...taset cpus and the skript
plot.tree.sequence.R, which are included in the tree package:
>library(MASS)
> data(cpus)
> cpus.ltr <- tree(log10(perf) ~ syct + mmin + mmax + cach
>+ + chmin + chmax, data=cpus)
At home it works but at work I get this message:
>Error in .C("BDRgrow1", as.double(X), as.double(unclass(Y)),
as.double(w), : C/Fortran function name not in load table
I do not understand this message and I would be very glad if someone
could give me some advice.
Since at home and at work I'm running R Version 90.1 with Win NT4 I was
surprised to get the...
2001 Nov 21
1
src directory disappeared after installation of packages
...ldn't find the "src" subdirectory
under the /usr/lib/R/library/tree directory,, which is supposed to
contain the C, C++ and FORTRAIN source files, according to the "Writing
R Extensions" page 4.
By looking at tree.R by BDR, I know that src is supposed to have files
such as BDRgrow1.c in it.
Did I look in a wrong directory or are there something wrong with the
way I use "install.packages()"?
Your insights are highly appreciated.
Regards,
--
Jonathan Q. Li, PhD
Agilent Technologies Laboratory
Palo Alto, California, USA
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-....
2002 Jan 16
2
Regression Trees
> when I print the tree I get something like this:
> 1) root 1130 19580.00 535.6
> 2) V17: 2,3,4,5 853 4833.00 533.7
> 4)V9 < 541.5 185 1011.00 531.9 *
> ................................etc
>
> When I use this tree for prediction :
>
> >predict.tree(t, data[1,])
>
> I get something like this:
>
> >531.9205 //note the