odifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code><a href="../../../weka/core/Instances.html" title="class in weka.core">Instances</a></code></td>
<td class="colLast"><code><strong><a href="../../../weka/datagenerators/clusterers/BIRCHCluster.html#defineDataFormat()">defineDataFormat</a></strong>()</code>
<div class="block">Initializes the format for the dataset produced.</div>
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