"sd">Node types</span>
<span class="sd">-------------------------------------------------------------------------------</span>

<span class="sd">This module is used to create and characterize the nodes of the tree. The</span>
<span class="sd">package implements three types of nodes:</span>

<span class="sd">* Terminal nodes.</span>

<span class="sd">* Decision nodes.</span>

<span class="sd">* Chance nodes.</span>


<span class="sd">&quot;&quot;&quot;</span>

<span class="kn">import</span> <span class="nn">