n class="va">hp</span>, data <span class="op">=</span> <span class="va">mtcars</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   response min   Q1 median  Q3 max     mean       sd  n missing</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1       hp  52 96.5    123 180 335 146.6875 68.56287 32       0</span>
<span class="r-in"><span><span class="co"># There are several ways to specify functions</span></span></span>
<span class="r-in"><span><