pe.html" class="external-link">%&gt;%</a></span></span></span>
<span class="r-in"><span>  <span class="fu">dummy_dt</span><span class="op">(</span><span class="va">x</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>         x     y   x_a   x_b  x_NA</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>    &lt;char&gt; &lt;int&gt; &lt;num&gt; &lt;num&gt; &lt;num&gt;</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1:      a     1    