epidatr (version 1.2.0)

epirange: Specify a range of days or weeks for API requests

Description

Specify a date range (in days or epiweeks) for an API request.

Usage

epirange(from, to)

Value

An EpiRange object.

Arguments

from

The first date to request. Can be specified as a Date or as an integer or integer-like string in the format YYYYMMDD for dates or YYYYWW for epiweeks.

to

The final date to request (inclusive), specified the same way as from.

Details

Epiweeks, also known as MMWR weeks number the weeks of the year from 1 to 53, each week spanning from Sunday to Saturday. The numbering is defined by the CDC.

Examples

# Represents 2021-01-01 to 2021-01-07, inclusive
epirange(20210101, 20210107)

# The same, but using Date objects
epirange(as.Date("2021-01-01"), as.Date("2021-01-07"))

# Represents epiweeks 2 through 4 of 2022, inclusive
epirange(202202, 202204)