[R] something missing from the graph of recursive partitioning

[dechao wang]

Hi Paul,

Many thanks for your help. It is very clear
expalnation.

Dechao
 --- Paul Murrell <p.murrell at auckland.ac.nz> wrote: >
Hi
> 
> 
> > The following codes come from R example. I save
> its
> > graph as rpart.ps, but the graph did not display
> the
> > whole word, e.g. just display "bsent", not
> "absent" in
> > the most left. can you advise me how to solve it?
> 
> 
> The text is being clipped to the plot boundaries. 
> The following minor
> adjustment to your code shows where the clipping is
> occurring [indicated by
> a dashed box around the plot boundary] and a
> possible fix [via par(xpd)]:
> 
> library(rpart)
> data(kyphosis)
> fit <- rpart(Kyphosis ~ Age + Number + Start, data =
> kyphosis)
> fit2 <- rpart(Kyphosis ~ Age + Number + Start, data
> =
> kyphosis,
> parms = list(prior = c(0.65, 0.35), split =
> "information"))
> postscript("rpart.ps", width=960, height=960)
> par(mfrow = c(1, 2))
> par(xpd=NA)  # or par(xpd=T)
> plot(fit)
> text(fit, use.n = TRUE)
> box("plot", lty="dashed")
> plot(fit2)
> text(fit2, use.n = TRUE)
> box("plot", lty="dashed")
> dev.off()
> 
> Paul
> 
> 
> 
>
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