Syntax
Date.IsInPreviousNMonths(dateTime as any, months as number) as nullable logical
Description
Indicates whether the given datetime value dateTime occurs during the previous number of months, as determined by the current date and time on the system. Note that this function will return false when passed a value that occurs within the current month.
Reference Data
https://docs.microsoft.com/en-us/powerquery-m/power-query-m-function-reference