iables will be retained.
However, they will be moved to the end of the returned data frame.</p>
    

    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
    <pre class="examples"><div class='input'><span class='no'>simple_df</span> <span class='kw'>&lt;-</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/data.frame'>data.frame</a></span>(<span class='kw'>day</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdoc