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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