Hi all,
I'm trying to create nice plots of rpart objects. In particular, I'd
like to use the "fancy" option to text() that creates ellipses and
rectangles at the splits and endnotes, respectively. This worked fine in
the past, but now the ellipses do not interrupt the original tree lines
anymore but overlay them (see attached ps file). I'd like it to look the
way Figure 18 on page 49 of the rpart report "An Introduction to
Recursive Partitioning Using the RPART Routines" looks and can't figure
out why it doesn't.
I created the attached ps with the command:
> post(tree)
which according to the report is pretty much equivalent to:
> plot(tree, uniform = T, branch = 0.2, compress = T, margin = 0.1)
> text(tree, all = T, use.n=T, fancy = T)
As for my system info:
> sessionInfo()
R version 2.4.1 (2006-12-18)
i386-pc-mingw32
locale:
LC_COLLATE=English_Canada.1252;LC_CTYPE=English_Canada.1252;LC_MONETARY=English_Canada.1252;LC_NUMERIC=C;LC_TIME=English_Canada.1252
attached base packages:
[1] "stats" "graphics" "grDevices"
"utils" "datasets" "methods"
[7] "base"
other attached packages:
rpart
"3.1-34"
Thank you,
Volker
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