Hi Chris82,
Yes. Try this:
testmat1 <- matrix(c(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16), nrow=4)
testmat2 <- matrix(c(1,2,3,5,5,6,7,8,9,10,11,12,13,14,15,16), nrow=4)
b=NULL
for (i in 1:4){
for (j in 1:4){
b <- c(b,setequal(testmat1[j,],testmat2[i,]))
b
}
}
b
HTH,
Jorge
On Mon, Nov 10, 2008 at 10:11 AM, Chris82 <[EMAIL PROTECTED]> wrote:
>
> Hello R-users,
>
> I have a little problem.
>
> I compare each row of a matrix with each row of another matrix.
>
> testmat1 <- matrix(c(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16), nrow=4)
> testmat2 <- matrix(c(1,2,3,5,5,6,7,8,9,10,11,12,13,14,15,16), nrow=4)
>
> Both matrix differs in the last row.
>
> Now I create a loop:
>
> for (i in (1:4)){
> for (j in (1:4)){
> b <- (c(setequal(testmat1[j,],testmat2[i,])))
> print(b)
> }
> }
>
> R outputs me the following:
>
> [1] TRUE
> [1] FALSE
> [1] FALSE
> [1] FALSE
> [1] FALSE
> [1] TRUE
> [1] FALSE
> [1] FALSE
> [1] FALSE
> [1] FALSE
> [1] TRUE
> [1] FALSE
> [1] FALSE
> [1] FALSE
> [1] FALSE
> [1] FALSE
>
> but I need one vector like this:
>
> [1] TRUE FALSE FALSE FALSE FALSE TRUE FALSE FALSE FALSE FALSE TRUE FALSE
> FALSE FALSE FALSE FALSE
>
> Any ideas?
>
> thanks
> --
> View this message in context:
> http://www.nabble.com/Make-one-vector-from-matrix-comparison-tp20421761p20421761.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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> PLEASE do read the posting guide
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>
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