Here is an example to get you started:
mycol <- c('b','a','d','d','b','c')
as.numeric(factor(mycol))
-Don
--
Don MacQueen
Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062
On 5/29/15, 9:58 AM, "Kate Ignatius" <kate.ignat...@gmail.com> wrote:
>I have a pedigree file as so:
>
>X0001 BYX859 0 0 2 1 BYX859
>X0001 BYX894 0 0 1 1 BYX894
>X0001 BYX862 BYX894 BYX859 2 2 BYX862
>X0001 BYX863 BYX894 BYX859 2 2 BYX863
>X0001 BYX864 BYX894 BYX859 2 2 BYX864
>X0001 BYX865 BYX894 BYX859 2 2 BYX865
>
>And I was hoping to change all unique string values to numbers.
>
>That is:
>
>BYX859 = 1
>BYX894 = 2
>BYX862 = 3
>BYX863 = 4
>BYX864 = 5
>BYX865 = 6
>
>But only in columns 2 - 4. Essentially I would like the data to look
>like this:
>
>X0001 1 0 0 2 1 BYX859
>X0001 2 0 0 1 1 BYX894
>X0001 3 2 1 2 2 BYX862
>X0001 4 2 1 2 2 BYX863
>X0001 5 2 1 2 2 BYX864
>X0001 6 2 1 2 2 BYX865
>
>Is this possible with factors?
>
>Thanks!
>
>K.
>
>______________________________________________
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>and provide commented, minimal, self-contained, reproducible code.
______________________________________________
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
