 &gt; tolerance. Setting as NULL is a slightly more efficient version of scale = 1.</p></td>
    </tr>
    </table>
    

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'><span class='no'>x</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/subset'>subset</a></span>( <span class='no'>iris</span>,  -<span class='no'>Species</span>)</div><div class='output co