[R] lists to arrays

[Jason Turner]

On Tue, Jan 21, 2003 at 05:33:57PM -0700, Katalin Csillery wrote:
> Does anyone know how to coerce a list to an array? I have a list with
> equal sized matrixes and I want to coerce it to a 3D array.

lists are special.  you'll have to unlist() first.  As an example:

zz <- list(a=matrix(1:9,ncol=3),b=matrix(10:18,ncol=3))
aa <- array(unlist(zz),dim=c(3,3,2))

However, useful as arrays are, finding a way to do the same job with
arrays can be very helpful - they're quite flexible.

Cheers

Jason


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