In the SAS System, data periodicity is described by specifying periodic time intervals into which the dates of the observations fall. For example, the SAS time interval MONTH divides time into ...

It will take her \(15 minutes\) to get from home to her local station. It will take her \(20 minutes\) to get from the station in Edinburgh to the interview office. To have enough time in ...

It is important to understand the value of these different measures and be able to convert them to find equivalent (equal in value) time intervals. There are 12 months in one year. So to find the ...

The SAS interval functions INTNX and INTCK perform calculations with date, datetime values, and time intervals. They can be used for calendar calculations with SAS date values, to count time intervals ...