[R] Converting data frame into multidimensional array

[Gabor Grothendieck]

On Fri, Oct 21, 2011 at 4:15 PM, Luk Arbuckle <luk.arbuckle at gmail.com> wrote:
> Consider the following data frame
>
> X <- data.frame(Titanic)
>
> Does anyone know of an easy way to convert X into a multidimensional
> array?  Example that doesn't work
>
> X <- as.array(X, dim=c(4,2,2,2))
>
> To do what I need, X needs to be converted into an array of dimensions
> c(4,2,2,2) in this case, not a table.
>

Try this:

xtabs(Freq ~., X)


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