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<title>MADlib: dbscan.sql_in File Reference</title>
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<a href="#func-members">Functions</a> </div>
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<div class="title">dbscan.sql_in File Reference</div> </div>
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<p>Partitions a set of observations into clusters of arbitrary shape based on the density of nearby neighbors.
<a href="#details">More...</a></p>
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Functions</h2></td></tr>
<tr class="memitem:a7ed8e66ecbbd9c678b88013ff93e51d2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#a7ed8e66ecbbd9c678b88013ff93e51d2">dbscan</a> (varchar source_table, varchar output_table, varchar id_column, varchar expr_point, float8 eps, integer min_samples, varchar metric, varchar algorithm)</td></tr>
<tr class="separator:a7ed8e66ecbbd9c678b88013ff93e51d2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a346f20a5d38764f89b1ba7aa10789996"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#a346f20a5d38764f89b1ba7aa10789996">dbscan</a> (varchar source_table, varchar output_table, varchar id_column, varchar expr_point, float8 eps, integer min_samples, varchar metric)</td></tr>
<tr class="separator:a346f20a5d38764f89b1ba7aa10789996"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad191161996efab3b79ceb1dd10bea81a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#ad191161996efab3b79ceb1dd10bea81a">dbscan</a> (varchar source_table, varchar output_table, varchar id_column, varchar expr_point, float8 eps, integer min_samples)</td></tr>
<tr class="separator:ad191161996efab3b79ceb1dd10bea81a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a48ad25ae170bda153bf61ea8be517cbb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#a48ad25ae170bda153bf61ea8be517cbb">dbscan</a> (varchar source_table, varchar output_table, varchar id_column, varchar expr_point, float8 eps)</td></tr>
<tr class="separator:a48ad25ae170bda153bf61ea8be517cbb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa166809d737242f3a9cf6fa0d3916d0a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#aa166809d737242f3a9cf6fa0d3916d0a">dbscan_predict</a> (varchar dbscan_table, varchar source_table, varchar id_column, varchar expr_point, varchar output_table)</td></tr>
<tr class="separator:aa166809d737242f3a9cf6fa0d3916d0a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae81d57bcf3b6ae088791e1c31de5697a"><td class="memItemLeft" align="right" valign="top">varchar&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#ae81d57bcf3b6ae088791e1c31de5697a">dbscan</a> (varchar message)</td></tr>
<tr class="separator:ae81d57bcf3b6ae088791e1c31de5697a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abb89f58a901a1cf68871a61c8ef26536"><td class="memItemLeft" align="right" valign="top">varchar&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#abb89f58a901a1cf68871a61c8ef26536">dbscan</a> ()</td></tr>
<tr class="separator:abb89f58a901a1cf68871a61c8ef26536"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aee4b2065f25b5aca78af39bdaee3594b"><td class="memItemLeft" align="right" valign="top">varchar&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#aee4b2065f25b5aca78af39bdaee3594b">dbscan_predict</a> (varchar message)</td></tr>
<tr class="separator:aee4b2065f25b5aca78af39bdaee3594b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2d826dbde2e4130e9462498e117302d2"><td class="memItemLeft" align="right" valign="top">varchar&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="dbscan_8sql__in.html#a2d826dbde2e4130e9462498e117302d2">dbscan_predict</a> ()</td></tr>
<tr class="separator:a2d826dbde2e4130e9462498e117302d2"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at</p>
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<p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.</p>
<dl class="section date"><dt>Date</dt><dd>May 2020 </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a7ed8e66ecbbd9c678b88013ff93e51d2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7ed8e66ecbbd9c678b88013ff93e51d2">&#9670;&nbsp;</a></span>dbscan() <span class="overload">[1/6]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void dbscan </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>source_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>output_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>id_column</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<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">float8&#160;</td>
<td class="paramname"><em>eps</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>min_samples</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>metric</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>algorithm</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a346f20a5d38764f89b1ba7aa10789996"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a346f20a5d38764f89b1ba7aa10789996">&#9670;&nbsp;</a></span>dbscan() <span class="overload">[2/6]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void dbscan </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>source_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>output_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>id_column</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<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">float8&#160;</td>
<td class="paramname"><em>eps</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>min_samples</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>metric</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="ad191161996efab3b79ceb1dd10bea81a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad191161996efab3b79ceb1dd10bea81a">&#9670;&nbsp;</a></span>dbscan() <span class="overload">[3/6]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void dbscan </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>source_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>output_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>id_column</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<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">float8&#160;</td>
<td class="paramname"><em>eps</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>min_samples</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a48ad25ae170bda153bf61ea8be517cbb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a48ad25ae170bda153bf61ea8be517cbb">&#9670;&nbsp;</a></span>dbscan() <span class="overload">[4/6]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void dbscan </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>source_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>output_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>id_column</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<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">float8&#160;</td>
<td class="paramname"><em>eps</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="ae81d57bcf3b6ae088791e1c31de5697a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae81d57bcf3b6ae088791e1c31de5697a">&#9670;&nbsp;</a></span>dbscan() <span class="overload">[5/6]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">varchar dbscan </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>message</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="abb89f58a901a1cf68871a61c8ef26536"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abb89f58a901a1cf68871a61c8ef26536">&#9670;&nbsp;</a></span>dbscan() <span class="overload">[6/6]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">varchar dbscan </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="aa166809d737242f3a9cf6fa0d3916d0a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa166809d737242f3a9cf6fa0d3916d0a">&#9670;&nbsp;</a></span>dbscan_predict() <span class="overload">[1/3]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void dbscan_predict </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>dbscan_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>source_table</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>id_column</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<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>output_table</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="aee4b2065f25b5aca78af39bdaee3594b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aee4b2065f25b5aca78af39bdaee3594b">&#9670;&nbsp;</a></span>dbscan_predict() <span class="overload">[2/3]</span></h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">varchar dbscan_predict </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>message</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a2d826dbde2e4130e9462498e117302d2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2d826dbde2e4130e9462498e117302d2">&#9670;&nbsp;</a></span>dbscan_predict() <span class="overload">[3/3]</span></h2>
<div class="memitem">
<div class="memproto">
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<tr>
<td class="memname">varchar dbscan_predict </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
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