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PREVIOUSYEAR function
Description
Returns a table that contains a column of all dates from the previous year, given the last date in the dates column, in the current context.
Syntax
PREVIOUSYEAR (<dates>, [<year_end_date>])
Parameters
| Sr.No. | Parameter & Description |
|---|---|
| 1 |
dates A column that contains dates. |
| 2 |
year_end_date Optional. A literal string with a date that defines the year-end date. If omitted, the default is December 31. |
Return Value
A table containing a single column of date values.
Remarks
The dates parameter 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.
Constraints on Boolean expressions −
The expression cannot reference a calculated field.
The expression cannot use CALCULATE function.
The expression cannot use any function that scans a table or returns a table, including aggregation functions.
However, a Boolean expression can use any function that looks up a single value, or that calculates a scalar value.
The year_end_date parameter is a string literal of a date, in the locale where the workbook was created. The year portion of the date is ignored.
Example
Previous Year Sales:= CALCULATE ( SUM (Sales [Sales Amount]),PREVIOUSYEAR (Sales [Date]) )