Day of the week of the observation.
Syntax: @weekday
Return: series
Returns the day of the week (1–7) associated with each observation in the workfile (Monday–Sunday).
• If the workfile is of lower than daily frequency, the day of the week will be first day of the period.
• If the workfile is undated, observations will be set to -1.
Examples
series dt = @weekday
saves the day of the week into the series DT.
The command
workfile d7 2020 2022
smpl if @weekday < 7
creates a seven day workfile and sets the sample to exclude Sundays.
Cross-references