[R] Sorting alphanumerically

[Gabor Grothendieck]

This was just discussed recently.  Try:

library(gtools)
?mixedorder

On 2/24/06, mtb954 mtb954 <mtb954 at gmail.com> wrote:
> I'm trying to sort a DATAFRAME by a column "ID" that contains
> alphanumeric data. Specifically,"ID" contains integers all preceeded
> by the character "g" as in:
>
> g1, g6, g3, g19, g100, g2, g39
>
> I am using the following code:
>
> DATAFRAME=DATAFRAME[order(DATAFRAME1$ID),]
>
> and was hoping it would sort the dataframe by ID in the following manner
>
> g1, g2, g3, g6, g19, g39, g100
>
> but it doesn't sort at all. Could anyone point out my mistake?
>
> Thank you.
>
> Mark
>
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