DAX Function Guide

The PREVIOUSQUARTER function (DAX) returns a table that contains a column of all dates from the previous quarter, based on the first date in the dates column, in the current context.

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.

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.