[R] Ordering in factors ...

[Chuck Cleland]

j.logsdon at lancaster.ac.uk wrote:
> 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<-"

Try this:

income <- ordered(income, levels=c("Lo", "Mid", "Hi"))

Chuck Cleland
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