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<title>MADlib: kmeans.sql_in File Reference</title>
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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">kmeans.sql_in File Reference</div>  </div>
</div><!--header-->
<div class="contents">

<p>Set of functions for k-means clustering.  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:abcbeb5878d5a31f600764fbb1fbe5578"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="kmeans_8sql__in.html#abcbeb5878d5a31f600764fbb1fbe5578">internal_execute_using_kmeans_args</a> (varchar sql, float8[][], regproc, integer, float8, varchar)</td></tr>
<tr class="separator:abcbeb5878d5a31f600764fbb1fbe5578"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4a1b8fc3dd6da4d4491927888d70e7b9"><td class="memItemLeft" align="right" valign="top">integer&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="kmeans_8sql__in.html#a4a1b8fc3dd6da4d4491927888d70e7b9">internal_compute_kmeans</a> (varchar rel_args, varchar rel_state, varchar rel_source, varchar expr_point, varchar agg_centroid)</td></tr>
<tr class="separator:a4a1b8fc3dd6da4d4491927888d70e7b9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6e25194423cccea7a1fc58e68d5a05a8"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="kmeans_8sql__in.html#a6e25194423cccea7a1fc58e68d5a05a8">__kmeans_validate_src</a> (varchar rel_source)</td></tr>
<tr class="separator:a6e25194423cccea7a1fc58e68d5a05a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a02b4325792510fbdc539f8e76076e451"><td class="memItemLeft" align="right" valign="top">boolean&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="kmeans_8sql__in.html#a02b4325792510fbdc539f8e76076e451">__kmeans_validate_expr</a> (varchar rel_source, varchar expr_point)</td></tr>
<tr class="separator:a02b4325792510fbdc539f8e76076e451"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><dl class="section see"><dt>See also</dt><dd>For a brief introduction to k-means clustering, see the module description <a class="el" href="group__grp__kmeans.html">k-Means Clustering</a>. </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a02b4325792510fbdc539f8e76076e451"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a02b4325792510fbdc539f8e76076e451">&#9670;&nbsp;</a></span>__kmeans_validate_expr()</h2>

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</div>
</div>
<a id="a6e25194423cccea7a1fc58e68d5a05a8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6e25194423cccea7a1fc58e68d5a05a8">&#9670;&nbsp;</a></span>__kmeans_validate_src()</h2>

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<div class="memproto">
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          <td class="memname">void __kmeans_validate_src </td>
          <td>(</td>
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          <td class="paramname"><em>rel_source</em></td><td>)</td>
          <td></td>
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<a id="a4a1b8fc3dd6da4d4491927888d70e7b9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4a1b8fc3dd6da4d4491927888d70e7b9">&#9670;&nbsp;</a></span>internal_compute_kmeans()</h2>

<div class="memitem">
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          <td class="memname">integer internal_compute_kmeans </td>
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          <td class="paramtype">varchar&#160;</td>
          <td class="paramname"><em>rel_source</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">varchar&#160;</td>
          <td class="paramname"><em>expr_point</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">varchar&#160;</td>
          <td class="paramname"><em>agg_centroid</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

</div>
</div>
<a id="abcbeb5878d5a31f600764fbb1fbe5578"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abcbeb5878d5a31f600764fbb1fbe5578">&#9670;&nbsp;</a></span>internal_execute_using_kmeans_args()</h2>

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          <td class="memname">void internal_execute_using_kmeans_args </td>
          <td>(</td>
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          <td class="paramname"><em>sql</em>, </td>
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          <td class="paramtype">varchar&#160;</td>
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