Off the top of my head, seems like you can abind() the two together and then
run apply. See the abind package on CRAN.
HTH,
Andy
> From: Carlos Soares
>
> Dear R users,
>
> Suppose two arrays which partly have the same dimensions. For
> instance,
> a1 and a2 with dim(a1) is c(3,4,5,6) and dim(a2) is
> c(3,4,7,8). How can
> I perform an apply on the equivalent part of the dimensions on both
> arrays simultaneously? Something like:
>
> apply(list(a1, a2), c(1,2), function(x,y) {my.function(x,y)})
>
> A useful bonus would be, assuming that my.function always returns an
> array withthe same dimensions (e.g., c(2,3,4), that the final result
> would be an array wit
> h dimensions c(3,4,2,3,4).
>
> With best regards,
> Carlos
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