I'm trying to get a sum by Month (from dates in row 1) and by group (in column A) using sumifs. but am stumped. suggestions?
<tbody>
A
B
C
D
E
F
1
WEEKLY
10/05
10/12
10/19
10/26
11/02
2
Group1
91
12
33
64
29
3
Group2
3
6
8
1
0
4
Group3
12
69
3
4
56
5
6
7
MONTHLY...