[R] data management on R
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Fri Mar 24 08:51:59 CET 2006
"linda.s" <samrobertsmith at gmail.com> writes:
> On 3/23/06, Jim Porzak <jporzak at gmail.com> wrote:
> > C <- cbind(A[, 1], B[, 2])
> >
> >
> The result is:
> [,1] [,2]
> [1,] 1 2
> [2,] 3 8
> How to keep x and n as the column title?
> Linda
Provided that A and B are data frames:
cbind(A[1], B[2])
For matrices, you need to use A[,1,drop=FALSE] etc. to get around the
issue of single-column extraction. Or
cbind(A,B)[,c("x","n")]
--
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