R-beta: Various R Questions and Comments

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Tue Feb 17 10:13:03 CET 1998


Jim Lindsey <jlindsey at luc.ac.be> writes:

> 
> Offsets only are really useful if the link function is not the
> identity. Hence little use in lm. Jim

Agree and disagree.

Agr.: Just subtract on l.h.s.

Dis.: Consistency, expressing the right thing, etc.

The current situation where lm() accept y~x+offset(...) and treats it
as y~x is not sound, though.

-- 
   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

-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._



More information about the R-help mailing list