Is there a way to ignore a column until a certain date arrives?
For example, I have some columns splits up in Quarters.
<tbody>
A
B
C
D
E
F
1
Q2 17'
Q3 17'
Q4 17'
Q1 18'
Total
2
1
0
1
1
0
3
0
1
1
1
0
</tbody>
Using the guide below, Q4 17' and Q18' need to be ignored until the first...