SAMEPERIODLASTYEAR Function (DAX)
How does the SAMEPERIODLASTYEAR function (DAX) work?
The SAMEPERIODLASTYEAR function (DAX) returns a table that contains a column of dates shifted one year back in time from the dates in the specified dates column, in the current context.
SAMEPERIODLASTYEAR Formula Syntax
SAMEPERIODLASTYEAR(
<dates>
)
How do you use the SAMEPERIODLASTYEAR function?
The SAMEPERIODLASTYEAR function can be used to declare that the values are moved one year back, based on “Date” column.
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Considerations when using the SAMEPERIODLASTYEAR function
The dates argument can be any of the following:
- A reference to a date/time column,
- A table expression that returns a single column of date/time values,
- A Boolean expression that defines a single-column table of date/time values.
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Formula examples using the SAMEPERIODLASTYEAR function
=CALCULATE(SUM(ResellerSales_USD[SalesAmount_USD]), SAMEPERIODLASTYEAR(DateTime[DateKey]))
= CALCULATE(SUM(‘GA Traffic'[Users]),SAMEPERIODLASTYEAR(‘GA Traffic'[Date]), AllExcept(‘GA Traffic’, ‘GA Traffic'[Date]))
= CALCULATE ( SUM (Sales [Sales Amount]),SAMEPERIODLASTYEAR (Sales [Date]) )