🚀 go-pugleaf

On Fri, 3 Aug 2001, Sung, Myong-Hee  (NCI) wrote:

> Hi all,
>
> I got a mysterious error from running command tree() inside my script.  The
> relevant
> part of the code is:
>
> tree(factor(c(rep("P",nP),rep("N",nN)))~.,data=data.frame(rbind(bind,nonbind
> )))
>
> The error message is "Object "nP" not found".  But nP is clearly defined and
> has the
> correct value just before tree() is run as can be seen by cat().
> I tried different names for nP but that didn't help.
>
> What could be the problem?

Scope, I expect.  Just set up the response in advance and put it in the
data argument:

Y <-  factor(c(rep("P",nP),rep("N",nN))
tree(Y ~ ., data = data.frame(Y, rbind(bind,nonbind)))

> (SPLUS2000 on Windows)
>
> Myong-Hee
>
> Myong-Hee Sung, Ph.D.
>
> Molecular Statistics and Bioinformatics Section
> Biometric Research Branch
> Division of Cancer Treatment and Diagnosis
> National Cancer Institute
> National Institutes of Health
> 6130 Executive Blvd. EPN Room 8146, MSC 7434
> Bethesda, MD 20892-7434
>
> sungm@mail.nih.gov
> phone: 301-402-0364
> fax:      301-402-0560
>
>
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-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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