(boolean&nbsp;value)</code>
<div class="block">sets whether multi-instance data should be generated (with a fixed
 data structure)</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../weka/core/TestInstances.html#setNoClass(boolean)">setNoClass</a></strong>(boolean&nbsp;value)</code>
<div class="block">whether to have no class, e.g., for clusterers; otherwise the class
 attribute index is set to last</div>
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