s_quantile</span><span class="op">(</span><span class="va">x</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>                  x      x_2.5       x_25      x_50      x_75    x_97.5</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 1     4.9 (2, 8.2)   2.017346   3.861163  4.934077  6.250702  8.228987</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2 -3.6 (-7.1, 2.9)  -7.058286  -5.600306 -3.611295 -1.23995