epiweekToDate: Convert Epidemiological Weeks to Calendar Dates

In EpiWeek: Conversion Between Epidemiological Weeks and Calendar Dates

Description

This function returns the beginning and end dates for a given epidemiological week. By definition, the first epidemiological week of the year contains at least four days in January.

Usage

epiweekToDate(year, weekno, firstday = "Sunday")

Arguments

year	A four digits numerical value for the epidemiological year
weekno	A two digits numerical value for the epidemiological week
firstday	A character string specifying the beginning weekday for each epidemiological week. The default for the firstday methods is "Sunday".

Value

d0	Beginning date for this epidemiological week
d1	End date for this epidemiological week

Author(s)

Xiahong Zhao

Examples

epiweekToDate(2013,34)
epiweekToDate(2011,40,firstday="Monday")

Example output

$d0
[1] "2013-08-18 UTC"

$d1
[1] "2013-08-24 UTC"

$d0
[1] "2011-10-03 UTC"

$d1
[1] "2011-10-09 UTC"

EpiWeek documentation built on May 30, 2017, 4:57 a.m.