is_quarter_bounds

is_first_of_quarter

is_last_of_quarter

is_year_bounds

is_first_of_year

is_last_of_year

is_Date

is_POSIXlt

<code>is_first_of_quarter()</code>, <code>is_last_of_quarter()</code>, <code>is_first_of_year()</code> and
<code>is_last_of_year()</code> check whether a <code>Date</code> is the first or respectively the
last day of a quarter/year. <code>is_quarter_bounds()</code> and <code>is_year_bounds</code> checks
whether two <code>Date</code> vectors mark the bounds of (the same) quarters

S3 classes and methods to create and work
with year-quarter, year-month and year-isoweek vectors. Basic
arithmetic operations (such as adding and subtracting) are supported,
as well as formatting and converting to and from standard R date
types.

Stefan Fleck

dint

A Toolkit for Year-Quarter, Year-Month and Year-Isoweek Dates

is_quarter_bounds function

<dl><dt>x, first, last</dt>
<dd><code>Date</code> vectors</dd></dl>

Arguments

Useful Predicates for Dates — is_quarter_bounds

<dl>

<dt>x, first, last</dt>
<dd><code>Date</code> vectors</dd>

</dl>

is_quarter_bounds: Useful Predicates for Dates

Description

Usage

Value

Arguments

Examples