e for NA values.</p>
    </div>

    <pre class="usage"><span class='fu'>na</span>(<span class='kw'>pal</span> <span class='kw'>=</span> <span class='st'>"#7F7F7FFF"</span>)</pre>

    <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
    <table class="ref-arguments">
    <colgroup><col class="name" /><col class="desc" /></colgroup>
    <tr>
      <th>pal</th>
      <td><p>The hex code or name of the NA colour. Defaults to "#7F7F7FFF".</p></td>
    </tr>
    </table