Many thanks David :-)
I think I got that idea :-)
On Sat, Jan 31, 2009 at 2:16 PM, David Winsemius wrote:
> Several ways, two are shown:
> > matrix(1:(4*7), 4,7)
> [,1] [,2] [,3] [,4] [,5] [,6] [,7]
> [1,]159 13 17 21 25
> [2,]26 10 14 18 22 26
> [3,]
Several ways, two are shown:
> matrix(1:(4*7), 4,7)
[,1] [,2] [,3] [,4] [,5] [,6] [,7]
[1,]159 13 17 21 25
[2,]26 10 14 18 22 26
[3,]37 11 15 19 23 27
[4,]48 12 16 20 24 28
> mtx <- matrix(1:(4*7), 4,7)
> mtx[-1,]
> How do I get sub-matrix? Example, I would like to get matrix of size 3x7
> from the matrix of size 4x7. Meaning that I try to exclude one row of the
> original matrix.
Just exclude the row by negative indexing - e.g. foo[-2,]
You may want to consider reading the "Introduction to R" where all th
3 matches
Mail list logo
