operate_inequalities: Logical operations on messy dates

In globalgov/messydates: A Flexible Class for Messy Dates

Logical operations on messy dates

Description

Logical operations on messy dates

Usage

## S3 method for class 'mdate'
e1 < e2

## S3 method for class 'mdate'
e1 > e2

## S3 method for class 'mdate'
e1 <= e2

## S3 method for class 'mdate'
e1 >= e2

Arguments

e1, e2

mdate or other class objects

Functions

• < : tests whether the dates in the first vector precede the dates in the second vector. Returns NA when the date order can't be determined.

• > : tests whether the dates in the first vector succeed the dates in the second vector. Returns NA when the date order can't be determined.

• <= : tests whether the dates in the first vector are equal to or precede the dates in the second vector. Returns NA when the date order can't be determined.

• >= : tests whether the dates in the first vector are equal to or succeed the dates in the second vector. Returns NA when the date order can't be determined.

Examples

as_messydate("2012-06-02") > as.Date("2012-06-01") # TRUE
# 2012-06-XX could mean 2012-06-03, so unknown if it comes before 2012-06-02
as_messydate("2012-06-XX") < as.Date("2012-06-02") # NA
# But 2012-06-XX cannot be before 2012-06-01
as_messydate("2012-06-XX") >= as.Date("2012-06-01") # TRUE

globalgov/messydates documentation built on April 17, 2025, 12:49 p.m.