n class="k">is</span><span class="w"> </span><span class="n">computed</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="n">the</span><span class="w"> </span><span class="p">(</span><span class="n">sample</span><span class="w"> </span><span class="nb">max</span><span class="w"> </span><span class="o">-</span>
<span class="n">sample</span><span class="w"> </span><span class="nb">min</span><span class="p">)</span><span class="o">/</span><span class="n">numcla</span><sp