>range</span><span class="op">)</span></span></span>
<span class="r-in"><span>  <span class="va">mtcars</span> <span class="op">|&gt;</span></span></span>
<span class="r-in"><span>    <span class="fu">df_stats</span><span class="op">(</span><span class="va">hp</span> <span class="op">~</span> <span class="va">cyl</span> <span class="op">+</span> <span class="va">gear</span>, <span class="va">mean</span>, <span class="va">median</span>, <span class="va">range</span><span class="op">)</span> <span class="op">