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1243,30
2017 Mar 19
2
outer not applying a constant function
Hi,
the function outer can not apply a constant function as in the last line of the following example:
> xg <- 1:4
> yg <- 1:4
> fxyg <- outer(xg, yg, function(x,y) x*y)
> fconstg <- outer(xg, yg, function(x,y) 1.0)
Error in outer(xg, yg, function(x, y) 1) :
dims [product 16] do not match the length of object [1]
Of course there are simpler ways to construct a constant