[R] rbind question

[John Zhang]

How about 

foo <- c(1,2,3)
bar <- matrix(rep(foo, 5), ncol = length(foo), byrow = TRUE)

>Date: 8 Jul 2003 15:58:25 +0200
>From: "David Andel" <andel at ifi.unizh.ch>
>To: r-help at stat.math.ethz.ch
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>Hi
>
>I am trying to replicate a vector in n rows for comparison purposes with 
>another matrix.
>
>foo <- c(1,2,3)
>bar <- rbind(foo,foo) # does the trick for 2 rows
>bar <- rbind(rep(foo,2)) # does something else
>
>How do I generate a matrix with all rows=foo without writing 'foo' n times as 
>arg?
>
>Thanks,
>David
>
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Jianhua Zhang
Department of Biostatistics
Dana-Farber Cancer Institute
44 Binney Street
Boston, MA 02115-6084