G'day Rory,
On Mon, 24 Nov 2008 14:57:57 +0000
<[EMAIL PROTECTED]> wrote:
> If I have a string, say "ABCDA", and I want to convert this to the
> sum of the letter values, e.g.
>
> A -> 1
> B -> 2
>
> etc, so "ABCDA" = 1+2+3+4+1 = 11
>
> Is there an elegant way to do this? [...]
R> sum(as.numeric(factor(unlist(strsplit("ABCDA","")), levels=LETTERS)))
[1] 11
R> sum(as.numeric(factor(unlist(strsplit("ABCEA","")), levels=LETTERS)))
[1] 12
HTH.
Best wishes,
Berwin
=========================== Full address =============================
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