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
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