ode>quantile(<var>list</var>,3/4) - quantile(<var>list</var>,1/4)</code>,
</p>
<pre class="example">(%i1) load (descriptive)$
(%i2) s1 : read_list (file_search (&quot;pidigits.data&quot;))$
(%i3) qrange (s1);
                               21
(%o3)                          --
                               4
(%i4) s2 : read_matrix (file_search (&quot;wind.data&quot;))$
(%i5) qrange (s2);
(%o5) [5.385, 5.572499999999998, 6.0225, 8.729999999999999, 
                                               6.65000000000