gt;</span> <span style="color: #BCBCBC;">3</span> <span style="color: #BB0000;">NA</span>    c         3     0     0      1</span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="va">df</span> <span class="op"><a href="pipe.html">%&gt;%</a></span></span></span>
<span class="r-in"><span>  <span class="fu">get_dummies</span><span class="op">(</span>cols <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class