[R] lm() using data frames

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Tue Mar 9 12:59:46 CET 1999


Simon Fear <fears at roycastle.liv.ac.uk> writes:

> Under NT 4.0, using Version 0.63.2 Beta (Jan 12, 1999):
> 
> Not sure if this is a bug or a feature (forcing me to program less
> clumsily) so I'll report it here rather than to bugs.
....
> I get a fatal error when attempting summary() on the fit of an lm() on a
> large-ish set of dummy variables (stored in a matrix):

Fatal errors are bugs and need to be reported (unless they involve
bugs in your own dyn.loaded code or very sleazy programming
techniques). Do you think that you can cook up an example showing this
behaviour, preferably using simulated data, so that we don't get
r-bugs clogged up with huge data sets? Would be nice to know whether
it also happens on Unix (and much easier to debug if it does).

(I smell a deparse()-length-limit rat or somesuch here...)

-- 
   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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