 class='no'>x</span></div><div class='output co'>#&gt;      first second
#&gt; [1,]     1      3
#&gt; [2,]     2      4</div><div class='input'>
<span class='fu'><a href='view.html'>view</a></span>(<span class='no'>x</span>, <span class='no'>dimnames_l</span>)</div><div class='output co'>#&gt; [[1]]
#&gt; NULL
#&gt; 
#&gt; [[2]]
#&gt; [1] "first"  "second"
#&gt; </div><div class='input'><span class='fu'><a href='set.html'>set</a></span>(<span class='no'>x</span>, <span class='no'>dimnames_l</span>, <span c