[R] Problem with misclass function on tree classification

Simon Knapp sleepingwell at gmail.com
Sun Sep 14 12:41:37 CEST 2008


Did you say:

library("tree")

at the top of your script?

On Sun, Sep 14, 2008 at 5:47 PM, Meir Preiszler
<pmeir at itamar-medical.com> wrote:
>
> I am working through Tom Minka's lectures on Data Mining and am now on Day 32. The following
> is the link: http://alumni.media.mit.edu/~tpminka/courses/36-350.2001/lectures/day32/
> In order to use the functions cited I followed the instructions as follows:
>
> Installed tree package from CRAN mirror (Ca-1)
> Downloaded and sourced the file "tree.r"
> Downloaded the function "clus1.r"
>
> Having defined a tree "tr, when I write "misclass(tr,x$test)" as shown in the link
> I get an error message that "R does not find the function pred1.tree".
>
>  Is this function included in the tree package? If so it was not in my download. Is this a bug?
> Do you know of a fix?
>
> Thanks for your help
> Meir
>
>  <<clus1.r>>  <<tree.r>>
>
> ********************************************
> Meir Preiszler - Research Engineer
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