[R] is this a bug? problem saving and restoring coxph objects
rdiazuri at students.wisc.edu
Sat Mar 25 09:21:23 CET 2000
I am using R 1.0.0 on Linux, and I am running into a problem with coxph objects
If I fit a model that includes a frailty term with sparse=F (e.g
when I try to save all the objects (e.g., save.image()) I get the error:
Error in save(list = ls(all.names = TRUE), file = ".RData", oldstyle = FALSE) :
NewWriteItem: unknown type 17
If I then remove that object, I (_almost_ always) can save the current
environment (which includes other objects) and apparently exit normally.
However, when I try to restart R I get:
Error: NewReadItem: unknown type -253
Fatal error: unable to restore saved data
(remove .RData or increase memory)
(the number after "unknown type" tends not to be the same; last two I got are
925958144 and 825307136).
Now, if I do "save.image(oldstyle=T)" I can apparently save the environment
without trouble. BUT when I try to restart R I get:
Process R segmentation fault at Sat Mar 25 09:29:13 2000
This makes for a rather disturbing problem because not even deleting the
apparently offending objects fixes the problem of restoring the current
This seems like a bug. Where should I report it? Is there a workaround?
Dept. Zoology and Statistics
University of Wisconsin-Madison
Madison, WI 53706
email: rdiazuri at students.wisc.edu
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