[R] Stacking matrices

[Benilton Carvalho]

how about

y = X[rep(1:nrow(X), 6), ]

?

On Mon, Mar 15, 2010 at 5:37 PM,  <JLucke at ria.buffalo.edu> wrote:
> What is an easy way to stack a matrix multiple times?  E.g.  I have a 6x6
> matrix that I need to stack vertically 154 times to get a 6*154 by 6
> matrix.  I would rather not rbind(X,X,...,X) matrices.    --Joe
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