R: Tests whether a date or interval falls within an interval

%within% {lubridate} | R Documentation

## Tests whether a date or interval falls within an interval

### Description

If a is an interval, both its start and end dates must fall within b to return TRUE.

### Usage

    a %within% b

### Arguments

`a` | An interval or date-time object
`b` | An interval

### Value

A logical

### Examples

    int <- interval(ymd("2001-01-01"), ymd("2002-01-01"))
    int2 <- interval(ymd("2001-06-01"), ymd("2002-01-01"))

    ymd("2001-05-03") %within% int # TRUE
    int2 %within% int # TRUE
    ymd("1999-01-01") %within% int # FALSE

[Package lubridate version 1.7.2 Index]