Why do you think you need to do this?
(Feel free to ignore, however).

-- Bert

On Mon, Mar 25, 2013 at 8:37 AM, Dan Abner <dan.abner99@gmail.com> wrote:

> Hi everyone,
>
> I understand the process of obtaining the internal integer codes for
> the raw values of a factor (using as.numeric() as below), but what is
> the best way to obtain these codes for the levels() of a factor (since
> the as.numeric() results don't really make clear which code maps to
> which level)?
>
>
> fdata<-factor(c("b","b","c","a","b","c"),labels=c("I","II","III"))
> fdata
> levels(fdata)
>
> as.numeric(fdata)
>
>
> I thought something like this would make sense and work, but it throws an
> error:
>
> as.numeric(levels(fdata))
>
> Thanks!
>
> Dan
>
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>



-- 

Bert Gunter
Genentech Nonclinical Biostatistics

Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm

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