Andrew
levels(factor(foo, levels=c('b','a')))
should work. You can make foo an ordered factor too, but that is not
necessary.
HTH .......
Peter Alspach
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Andrew Yee
> Sent: Wednesday, 18 June 2008 4:22 p.m.
> To: r-help@r-project.org
> Subject: [R] keeping original order in factor()
>
> Apologies for the naieveness of this question, but I'm having
> trouble figuring out to have factor() maintain original ordering.
>
> For example,
>
> foo <- c("b","b","a","a")
> levels(factor(foo, ordered=T)) #I'd like this to return as "b" "a"
> #not "a" "b"
>
> I thought having ordered=T would do the trick.
>
> Thanks,
> Andrew
>
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