[R] R or Splus?
Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Tue Dec 5 17:12:26 CET 2000
J.Brainard at uea.ac.uk writes:
> It's been suggested I use R, I suppose because my employer is too
> skint to pay for a copy of Splus.
> But.... it doesn't seem to be stable. I was trying to do some
> ordinary regression and stepping through a model. I was trying to
> set up a model ('kitchen_sink') in which to put all my model
> parameters. Then I wanted to use step() to see what it would reduce
> the model to. I couldn't even get started though. I would specify
> the same model again and again, with just a few of the possible
> variables, and sometimes lm() would fall over and return an error
> message, sometimes the regression ran fine. I got fed up and ftp'd
> the original tables up to a machine running Splus, where the models
> ran fine, every time, with all kinds of specifications.
> Is this a normal experience? Is R buggy or what? I note the other
> email that R can't handle files named x. If I can use Splus, should
> I just do that?
We haven't heard of problems of that magnitude lately. In general, we
try to fix problems as soon as they can be identified, but you're not
giving us much to go on with that kind of report.
- which version of R?
- which operating system?
- which commands are you trying to run?
- what are the error messages and other symptoms of misbehavior?
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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