Try this:
testdat[seq(1,10,3),] <- t(replicate(4, c(1,0,0,0,0,0,0,0,0,0)))
On Mon, Jan 17, 2011 at 6:29 PM, Brant Inman wrote:
> R-helpers,
>
> Below is a simple example of some output that I am getting while trying to
> work with a data frame in R 2.12.1 for Mac.
>
> -
> > testdat <- data
R-helpers,
Below is a simple example of some output that I am getting while trying to work
with a data frame in R 2.12.1 for Mac.
-
> testdat <- data.frame(matrix(ncol=10, nrow=10))
> colnames(testdat) <- c('a','b','c','d','e','f','g','h','i','j')
> testdat[seq(1,10,3),] <- c(1,0,0,0,0,0,0,0
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