predicate-attributes

has_length

is_empty

<ul>
<li><code>has_length()</code> checks how long is an object.</li>
<li><code>is_empty()</code> checks is an object is empty (any zero-length dimensions).</li>
</ul>

A dependency-free collection of simple functions for cleaning
rectangular data. This package allows to detect, count and replace
values or discard rows/columns using a predicate function. In
addition, it provides tools to check conditions and return informative
error messages.

Nicolas Frerebeau

arkhe

Tools for Cleaning Rectangular Data

Brice Lebrun

Université Bordeaux Montaigne 

CNRS 

predicate-attributes function

<dl><dt>x</dt>
<dd>A <code><a href="/link/vector?package=arkhe&version=1.10.0" data-mini-rdoc="arkhe::vector">vector</a></code> to be tested.</dd>
<dt>n</dt>
<dd>A length-one <code><a href="/link/numeric?package=arkhe&version=1.10.0" data-mini-rdoc="arkhe::numeric">numeric</a></code> vector specifying the length to test <code>x</code>
with. If <code>NULL</code>, returns <code>TRUE</code> if <code>x</code> has length greater than zero, and
<code>FALSE</code> otherwise.</dd></dl>

Arguments

Attributes Predicates — predicate-attributes

<dl>

<dt>x</dt>
<dd>A <code><a href='https://rdrr.io/r/base/vector.html'>vector</a></code> to be tested.</dd>


<dt>n</dt>
<dd>A length-one <code><a href='https://rdrr.io/r/base/numeric.html'>numeric</a></code> vector specifying the length to test <code>x</code>
with. If <code>NULL</code>, returns <code>TRUE</code> if <code>x</code> has length greater than zero, and
<code>FALSE</code> otherwise.</dd>

</dl>

predicate-attributes: Attributes Predicates

Description

Usage

Value

Arguments

See Also