n_distinct.

If <code>TRUE</code> missing values don't count

na.rm

This is a faster version of <code>length(unique(x))</code> that calls <code><a href="https://Rdatatable.gitlab.io/data.table/reference/duplicated.html">data.table::uniqueN()</a></code>.

A tidy interface to 'data.table' that is 'rlang' compatible,
giving users the speed of 'data.table' with the clean syntax of the tidyverse.

Mark Fairbanks

tidytable

Tidy Interface to 'data.table'

Abdessabour Moutik

Matt Carlson

Ivan Leung

Ross Kennedy

n_distinct. function

<dl><dt>...</dt>
<dd>vectors of values</dd>
<dt>na.rm</dt>
<dd>If <code>TRUE</code> missing values don't count</dd></dl>

Arguments

This is a faster version of <code>length(unique(x))</code> that calls <code><a href='https://Rdatatable.gitlab.io/data.table/reference/duplicated.html'>data.table::uniqueN()</a></code>.

Count the number of unique values in a vector — n_distinct.

<dl>

<dt>...</dt>
<dd>vectors of values</dd>


<dt>na.rm</dt>
<dd>If <code>TRUE</code> missing values don't count</dd>

</dl>

n_distinct.: Count the number of unique values in a vector

Description

Usage

Arguments

Examples