[R] How to "flatten" a multidimensional array into a dataframe?

Emmanuel Levy emmanuel.levy at gmail.com
Thu Apr 19 23:00:32 CEST 2012


OK, it seems that the array2df function from arrayhelpers package does
the job :)


On 19 April 2012 16:46, Emmanuel Levy <emmanuel.levy at gmail.com> wrote:
> Hi,
>
> I have a three dimensional array, e.g.,
>
> my.array = array(0, dim=c(2,3,4), dimnames=list( d1=c("A1","A2"),
> d2=c("B1","B2","B3"), d3=c("C1","C2","C3","C4")) )
>
> what I would like to get is then a dataframe:
>
> d1 d2 d3  value
> A1 B1 C1 0
> A2 B1 C1 0
> .
> .
> .
> A2 B3 C4 0
>
> I'm sure there is one function to do this transformation, I just don't
> know which one.
>
> Thanks for your help,
>
> Emmanuel



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