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New Member

## PREVIOUS PERIOD VALUE

Hi Guys, I am trying to calculate the previous period GHI (attached image in the post). The "Global Hunger Index" Column is a measure i created to calculate the global average of individual countries aggregated within the year they were recorded, while the "Previous Period GHI" is meant to return the previous period Value of the "Global Hunger Index". But the issue is that since the time intervals are not equal, this makes the DATEADD function not return the values accordingly (i.e i want the 17.51 to be just beside 16.79). So, how do i calculate the Previous Value with a dynamic date interval? I hope you guys understand my problem statement😢

1 ACCEPTED SOLUTION
Super User

Hi @KIlekun

``````Previous Period GHI =
VAR CurrentYear =
MAX ( 'Table'[End of Year] )
VAR T1 =
ALLSELECTED ( 'Table'[End of Year] )
VAR T2 =
T1,
"@GHI",
VAR ThisYear = 'Table'[End of Year]
RETURN
CALCULATE ( [Global Hunder Index], 'Table'[End of Year] = ThisYear )
)
VAR T3 =
FILTER ( T2, 'Table'[End of Year] < CurrentYear && [@GHI] <> BLANK () )
VAR T4 =
TOPN ( 1, T3, 'Table'[End of Year] )
RETURN
IF ( [Global Hunder Index] <> BLANK (), MAXX ( T4, [@GHI] ) )``````
2 REPLIES 2
New Member

@tamerj1 OH MY GOD it worked sooooo perfectly. Thank you

Super User

Hi @KIlekun

``````Previous Period GHI =
VAR CurrentYear =
MAX ( 'Table'[End of Year] )
VAR T1 =
ALLSELECTED ( 'Table'[End of Year] )
VAR T2 =
T1,
"@GHI",
VAR ThisYear = 'Table'[End of Year]
RETURN
CALCULATE ( [Global Hunder Index], 'Table'[End of Year] = ThisYear )
)
VAR T3 =
FILTER ( T2, 'Table'[End of Year] < CurrentYear && [@GHI] <> BLANK () )
VAR T4 =
TOPN ( 1, T3, 'Table'[End of Year] )
RETURN
IF ( [Global Hunder Index] <> BLANK (), MAXX ( T4, [@GHI] ) )``````

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