Counts backwards the specified number of months. Can only be used as a
duration parameter in for_date_range().
To count forward, eliminate the minus (-).
months(-x)(counts backwards x months)
-months(x)(counts backwards x months)
months(x)(counts forward x months)
x is required to be an integer.
If you view a column with the following formula on October 15th, the function returns the number of clicks between 2013-07-15 to 2013-10-14:
The following formula returns the number of clicks between October 1 and December 31:
Clicks.for_date_range(date(2013, 10, 01), months(3))