[R] elements in a matrix to a vector
Dave Roberts
droberts at montana.edu
Wed Nov 9 18:27:35 CET 2005
Mike,
It's not clear whaty way you are doing it now, but this works
> x <- matrix(c(0,2,0,0,0,4,3,0,0),nrow=3)
> x
[,1] [,2] [,3]
[1,] 0 0 3
[2,] 2 0 0
[3,] 0 4 0
> y <- as.vector(t(x))
> z <- y[y!=0]
> z
[1] 3 2 4
Dave
Mike Jones wrote:
> hi all,
>
> i'm trying to get elements in a matrix into a vector. i need a
> "streamlined" way to do it as the way i'm doing it is not very
> serviceable. an example is a 3x3 matrix like
>
> 0 0 3
> 2 0 0
> 0 4 0
>
> to a vector like
>
> 3 2 4
>
> thanks...mj
>
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