[R] Partitioning matrix
cls59
chuck at sharpsteen.net
Tue Jun 23 09:15:01 CEST 2009
Bogaso wrote:
>
> Let say, I have following matrix :
>
> dat <- matrix(rnorm(40), 2, 20)
>
> Now I want to partition this like this :
>
> dat1 <- dat[1,]
> dat2 <- dat[2,]
>
> But point is that, dat1 and dat2 become vector object. How can I force
> them to be matrix object with dimension (1x20) ?
>
>
To turn a vector into a matrix or array set it's dimension attribute like
so:
dim(dat1) <- c(1,20)
dim(dat2) <- c(1,20)
Hope that helps!
-Charlie
-----
Charlie Sharpsteen
Undergraduate
Environmental Resources Engineering
Humboldt State University
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