Hi guys,
I want to obtain the sumproduct of the following two arrays, essentially 1 x 0.2 + 2 x 0.1 + 3 x 0.3.
A 1
B 2
C 3
B 0.1
A 0.2
C 0.3
SUMPRODUCT would work neatly if the first column in both these arrays were identically ordered (i.e. ABC and ABC). But because they're not so, it...