7.10 Calculate using adjacent row/interval when data of the same group is continuous (link relative ratio and YOY)
Here below is an annual and quarterly sales data table:
Now we want to calculate LRR and YOY (calculate in cell D1):
| A | |
|---|---|
| 1 | =E(‘A1:C21’) |
| 2 | =A1.(Sales-Sales[-1]) |
| 3 | =A1.group(Year) |
| 4 | =A3.(~.(Sales-A3.~[-1](#).Sales)).conj() |
| 5 | return A2.new(~:LinkRelative,A4(#):YOY) |
A2: Calculate LRR, [-1] represents the previous row.
A3: Group by Year.
A4: Calculate YOY. The symbol ~ represents the current member in the loop function, and # represents the sequence number of current member in loop function.
https://c.scudata.com/article/1651916536524
https://c.scudata.com/article/1654825923304
https://c.scudata.com/article/1654923852094
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