set.seed(2)
a=matrix(rnorm(400),ncol=100)
#use a list
aList<-list()
for(i in 1:dim(a)[2]){
aList[[i]]<-matrix(a[,i],ncol=2)
}
#get lots of variables
for(i in 1:dim(a)[2]){
assign(paste("a",i,sep=""),matrix(a[,i],ncol=2))
}
On 16.08.2012, at 08:07, bantex wrote:
> Hi all,
>
> I have a 4 by 100 matrix. I wish to extract each column and make it into a 2
> by 2 matrix.
> I also want to assign names for each 2X2 matrix.
> For example
>
> set.seed(2)
> a=matrix(rnorm(400),ncol=100)
> a1=matrix(a[,1],ncol=2)
> a2=matrix(a[,2],ncol=2)
> .
> .
> .
> a100=matrix(a[,100],ncol=2)
>
> Any simple ideas. Thanks.
>
> B
>
>
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Column-Extraction-from-matrix-tp4640465.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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