crossStat
Syntax
crossStat(X, Y)
Arguments
X and Y are numeric vectors of the same size.
Details
Return a tuple with the following elements: count(X), sum(X), sum(Y), sum2(X), sum2(Y), sum(X*Y)
Examples
x=1 NULL 2 3
y=4 3 NULL 2
crossStat(x,y);
// output
(2,4,6,10,20,10)