Feature Request: "matrix[1:10,1:10, block=F] <- 1:10"
Gregory R Warnes <gregory_r_warnes@groton.pfizer.com> wrote:
R> m <- matrix("", nrow=3,ncol=3)
R> index_i <- c(2,1,3)
R> index_j <- c(1,3,2)
R> vals <- c("a","b","c")
R> m[ index_i, index_j ] <- vals
but what he wants to get is:
> [,1] [,2] [,3]
> [1,] "" "" "b"
> [2,] "a" "" ""
> [3,] "" "c" ""
Just do this instead:
R> m[ cbind(index_i, index_j) ] <- vals
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