Try this:

`colnames<-`(cbind(m, kog_id = 0), c(colnames(m), kog_id))


On Wed, Oct 13, 2010 at 5:44 PM, Alison Callahan
<alison.callahan@gmail.com>wrote:

> Hello all,
>
> I am trying to use cbind to add a named empty column to a Matrix:
>
> outputmatrix <- cbind(outputmatrix,kog_id = seq(0,0,0))
>
> The problem I have is that kog_id is a variable that has a value e.g.
> "KOG1234", but I when I try to use this to name the added column, it
> is named literally "kog_id" instead of "KOG1234".
>
> How can I name a column by passing in a variable for the column name?
> I am performing this action inside of a for loop, so I can't
> necessarily know the position of the column in order to name it after
> it is created.
>
> Thanks,
>
> Alison Callahan
> -----------------------
> PhD Candidate
> Department of Biology
> Carleton University
>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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