From: j.logsdon@lancaster.ac.uk
Date: Fri 28 Jun 2002 - 18:27:11 EST
Message-id: <Pine.LNX.4.10.10206280923040.29438-100000@mercury.quantex>
This is a trivial question probably buried in page 21 somewhere of An
Idiot's Guide to R.
In MASS(2) P26 for S-Plus you can write:
ordered(income)<-c("Lo","Mid","Hi")
but in R 1.5.0 you get the response to such an instruction:
Error: couldn't find function "ordered<-"
What's the fix to this? I have a series of models where the factors as
reported need re-ordering so that the glm reports the coefficients with
respect to the correct level. At the moment, while the solutions are
identical, I actually have to do some arithmetic to show this.
TIA
John
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