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]) )

Related DAX Functions

PREVIOUSYEAR
PARALLELPERIOD
 

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