,<span class="num">2</span>), <span class="lit">'b'</span>-&gt;Vec(<span class="num">4</span>,<span class="num">5</span>))</pre><p>You can achieve a similar effect with <code>rowSliceBy</code> and <code>colSliceBy</code></p><p>The <code>colAt</code> and <code>rowAt</code> methods take an integer offset i into the Frame, and
return a Series indexed by the opposing axis:</p><pre>f.rowAt(<span class="num">0</span>) == Series(<span class="lit">'a'</span>-&gt;<span class="num">1</span>, <span class="lit">'b'</sp