utils_time: Utilities to manipulate Date objects.

In google/GeoexperimentsResearch: Geo Experiments

Description

Utilities to manipulate Date objects.

Usage

.GetWeekdays(x)

.GetWeekIndex(x)

.GetWeekNumbers(x)

.GetLastDayOfWeek(x, last.day = 7L)

.GetLastDayOfMonth(x)

Arguments

x	a Date object (vector).
last.day	(integer) number of the day to translate the date to. Monday is 1, Sunday is 7.

Value

• .GetWeekdays: Indicator for weekday, given a date: an integer vector of the same length as x, indicating the number of the weekday, Monday=1, Tuesday=2, ..., Sunday=7.

• .GetWeekIndex: An indicator for an 'absolute' week number: an integer vector of the same length as x, indicating the week number, composed of the 4-digit year and the number of the week within the year.

• .GetWeekNumbers: Indicators for week numbers within the year: an integer vector of the same length as 'x', indicating the week number, 0 .. 53.

• code.GetLastDayOfWeek: Translates the given date(s) to the date of the last day of the corresponding week: a date object of the same length as 'x', with the corresponding dates shifted to the next (future) day given by 'last.day'.

• .GetLastDayOfMonth: Translates the given date(s) to the last day of the month of the corresponding month. A date object of the same length as 'x', with the corresponding dates shifted to the last day of the month.

Note

As a convention, a week starts on Monday and ends on Sunday.

google/GeoexperimentsResearch documentation built on May 17, 2019, 7:42 a.m.