You can try something about like this:
merge(transform(x, V1 = gsub("^[A-Z]", "", x$V1),
V3 = gsub("[A-Z]$", "", x$V1)),
data.frame(V1 = LETTERS[1:3],
V3 = LETTERS[1:3],
V2 = 1),
by = c("V1", "V3"), all = TRUE)
On Tue, Aug 4, 2009 at 8:35 AM, Ismail, Riyad <riyad.ism...@sappi.com>wrote:
> Hi
>
>
>
> I have dataset that consists of two columns
>
>
>
> AB 0.102
>
>
>
> AC -0.002
>
>
>
> BA -0.102
>
>
>
> BC 0.270
>
>
>
> CA 0.002
>
>
>
> CB -0.270
>
>
>
>
>
> I wish to create a matrix so that I can eventually plot the data.
>
>
>
>
>
>
>
> A
>
> B
>
> C
>
> A
>
> 1
>
> 0.102
>
> -0.002
>
> B
>
> -0.102
>
> 1
>
> 0.27
>
> C
>
> 0.002
>
> -0.27
>
> 1
>
>
>
>
>
>
>
> Any help or guidance would be greatly appreciated
>
>
>
>
>
>
>
> Dr Riyad Ismail
>
> GIS / Remote Sensing Analyst
>
>
> Sappi Forests (Reg No 1976/02426/07)
>
> Tel +27 (0)33 347 6650
>
> Fax +27 (0)33 347 6790
>
> E-mail: riyad.ism...@sappi.com
>
>
>
>
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--
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