#&gt; [1] NA</span></span>
<span id="cb8-9"><a href="#cb8-9" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; </span></span>
<span id="cb8-10"><a href="#cb8-10" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; [[2]]</span></span>
<span id="cb8-11"><a href="#cb8-11" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; [1] &quot;\n-------------------------------------------------\n        &amp;nbsp;           mpg    cyl   disp   hp  \n----------------------- ------ ----- ------ --