Re: [R] string/character to number

From: Jake Michaelson <jjmichael_at_comcast.net>
Date: Thu 23 Jun 2005 - 07:46:02 EST

Duh!

sub()

--Jake

On Jun 22, 2005, at 3:35 PM, Jake Michaelson wrote:

> I did a very quick search of the archive and couldn't find a readily
> available answer to this one:
>
> I'd like to convert, for example:
>
> c("a", "b", "a", "b")
>
> to
>
> c(1, -1, 1, -1)
>
> In the case of the first vector, it may be any length, but will always
> only have two unique values. It must always be replaced by
> corresponding values of 1 and -1.
>
> Any thoughts?
>
> Thanks in advance,
>
> Jake
>
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R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Jun 23 07:47:37 2005

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