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<div class="block">sets the class index (0-based)</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>value</code> - the class index</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../weka/core/TestInstances.html#CLASS_IS_LAST"><code>CLASS_IS_LAST</code></a>, 
<a href="../../weka/core/TestInstances.html#NO_CLASS"><code>NO_CLASS</code></a></dd></dl>
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<h4>getClassIndex</