[R] Numeric "Label" of Factor value?

[Rui Barradas]

Hello,

Try instead

?levels
abc <- factor(c(2,2,3,4,7,7))
as.numeric(levels(abc)[1])

Hope this helps,

Rui Barradas
Em 10-10-2012 19:39, Brigid Mooney escreveu:
> Sorry, I'm sure I'm not using the appropriate vocab here, which is
> undoubtedly why I can't seem to find a fix to this (hopefully very
> easy) problem.
>
> Suppose you have a factor
>
> abc <- factor(c(2,2,3,4,7,7))
>
> And you want to know what the number in the nth spot in that would be
>
> abc[1]
> [1] 2
> Levels: 2 3 4 7
>
> shows the correct label of the first element - but if I want to pull
> out the numeric value of that label, I thought...
>
> as.numeric(abc[1])
>
> but that gives
> [1] 1
>
> which is the position of the label in the levels vector of the factor.
>
> Ideas?
>
> Thanks!
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.