Matrix formula ? Second try (no image)
Kinda' quirky, but
=SUM(VLOOKUP({1,3,4,5,9,11,12},A2:B14,2,0))
array entered into two cells, will return the desired result to each cell.
Alan Beban
Pierre Archambault wrote:
Hi,
I need your help to solve a small formula problem.
A B C D E F G H I J K
1 0 1 3 4 5 9 11 12 = 3
2 0
3 0
4 1
5 1
6 0
7 0
8 1
9 0
10 1
11 0
12 1
13 0
14 0
I need to count in C1:I1 range, the number of times a given number appears
next to a "1" in the two
columns A1:B14
In this exemple, the answer is 3 because only the 4, 5 and 12 are associated
with a "1" in the adjacent
column.
Thanks.
Pierre Archambault
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