It would help people who know more about R's guts than me if you
posted your sessionInfo() output and exactly what commands produced
your error.
It is also recommended that you try simply upgrading R to the latest
version and see if you get an error with the latest version of
'party'. My guess is
sessionInfo yields the following:
sessionInfo()
R version 2.11.1 (2010-05-31)
x86_64-apple-darwin9.8.0
locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] stats4tcltk splines grid stats graphics grDevices
utils datasets
On Thu, 28 Apr 2011, moleps wrote:
sessionInfo yields the following:
OK, the Design package causes the problem here. When you load the Design
package, it provides a new Surv() and related methods. This clashes with
the computations of ctree() based on Surv(). So it's better not to load
Yup, thats the culprit. Thx.
//M
On 28. apr. 2011, at 18.36, Achim Zeileis wrote:
On Thu, 28 Apr 2011, moleps wrote:
sessionInfo yields the following:
OK, the Design package causes the problem here. When you load the Design
package, it provides a new Surv() and related methods. This
Dear all,
I was intrigued by the ctree command and wanted to check it out. I first ran
the demo with example(ctree) and did get the survival graphs in the end. Upon
doing this with my own data and yielding a Invalid operation on a survival
time I tried to rerun example(ctree) and now I also
Forgot to mention that the ctree command is from the party library.
//M
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