I have the data from 2018 to 2025 . this data looks like . i want comparision based on difference selection. if i select 1 Range 2019 January and 2018 Januray value comparision . below formula used in Excel
=(R5-F5)/F5
so created below formula for the measure
n =
SELECTCOLUMNS(
GENERATESERIES(1,12),
"n", [Value]
)
Calculated column
MonthSN = (Base[Year value].[Year]*12+[Month - Number])
MoM Difference =
VAR _currentmonthSN = MAX(Base[MonthSN])
VAR _n = SELECTEDVALUE(n[n])
VAR rate =
DIVIDE(
SUM(Base[Value]),
CALCULATE(
SUM(Base[Value]),
ALL(Base),
Base[MonthSN]=_currentmonthSN-_n
)
)^(1/_n)
-1
RETURN
IF(rate<>-1, rate, "")
Base Table :
Date Value Region
01-01-2018 23 EAST
01-01-2018 43 WEST
01-02-2018 23 EAST
01-02-2018 43 WEST
01-03-2018 23 EAST
01-03-2018 43 WEST
----
------
01-01-2019 36 EAST
01-01-2019 62 WEST
01-02-2019 23 EAST
01-02-2019 53 WEST
01-03-2019 83 EAST
01-03-2019 93 WEST
Looking for support .. thanks in advance ..
