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+<a href="#func-members">Functions</a> </div> + <div class="headertitle"> +<div class="title">bayes.sql_in File Reference</div> </div> +</div><!--header--> +<div class="contents"> + +<p>SQL functions for naive Bayes. +<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:a0671e6ac35a1967f41d2efb9e8417e1b"><td class="memItemLeft" align="right" valign="top">args_and_value_double </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a0671e6ac35a1967f41d2efb9e8417e1b">argmax_transition</a> (args_and_value_double oldmax, integer newkey, float8 newvalue)</td></tr> +<tr class="separator:a0671e6ac35a1967f41d2efb9e8417e1b"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ab150442ec577f4a0a3948176baf5ebd0"><td class="memItemLeft" align="right" valign="top">args_and_value_double </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#ab150442ec577f4a0a3948176baf5ebd0">argmax_combine</a> (args_and_value_double max1, args_and_value_double max2)</td></tr> +<tr class="separator:ab150442ec577f4a0a3948176baf5ebd0"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:aa7017323fd6fad40c9acbbee5f1fec7e"><td class="memItemLeft" align="right" valign="top">integer [] </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#aa7017323fd6fad40c9acbbee5f1fec7e">argmax_final</a> (args_and_value_double finalstate)</td></tr> +<tr class="separator:aa7017323fd6fad40c9acbbee5f1fec7e"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ad47c68a2b8aeedf66d509f0c32a9732d"><td class="memItemLeft" align="right" valign="top">aggregate integer [] </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#ad47c68a2b8aeedf66d509f0c32a9732d">argmax</a> (integer key, float8 value)</td></tr> +<tr class="separator:ad47c68a2b8aeedf66d509f0c32a9732d"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:aeb4eae7843dd789cc38d5fc57f4ccfb2"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2">create_nb_prepared_data_tables</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, integer numAttrs, varchar featureProbsDestName, varchar classPriorsDestName)</td></tr> +<tr class="memdesc:aeb4eae7843dd789cc38d5fc57f4ccfb2"><td class="mdescLeft"> </td><td class="mdescRight">Precompute all class priors and feature probabilities. <a href="#aeb4eae7843dd789cc38d5fc57f4ccfb2">More...</a><br /></td></tr> +<tr class="separator:aeb4eae7843dd789cc38d5fc57f4ccfb2"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a3ed5ddbc4cab1013db8604be58a6da3d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a3ed5ddbc4cab1013db8604be58a6da3d">create_nb_prepared_data_tables</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar numericAttrsColumnIndices, integer numAttrs, varchar featureProbsDestName, varchar numericFeatureStatsDestName, varchar classPriorsDestName)</td></tr> +<tr class="separator:a3ed5ddbc4cab1013db8604be58a6da3d"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a798402280fc6db710957ae3ab58767e0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a798402280fc6db710957ae3ab58767e0">create_nb_classify_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr> +<tr class="memdesc:a798402280fc6db710957ae3ab58767e0"><td class="mdescLeft"> </td><td class="mdescRight">Create a view with columns <code>(key, nb_classification)</code> <a href="#a798402280fc6db710957ae3ab58767e0">More...</a><br /></td></tr> +<tr class="separator:a798402280fc6db710957ae3ab58767e0"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a4e8e24120269be2b58f959ab5473b2cb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a4e8e24120269be2b58f959ab5473b2cb">create_nb_classify_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar numericFeatureStatsSource, varchar destName)</td></tr> +<tr class="separator:a4e8e24120269be2b58f959ab5473b2cb"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a6472f620099368cb8c334e0badb12133"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a6472f620099368cb8c334e0badb12133">create_nb_classify_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr> +<tr class="separator:a6472f620099368cb8c334e0badb12133"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a76a03f1d7ff2b1891cb310668077b386"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a76a03f1d7ff2b1891cb310668077b386">create_nb_classify_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar numericAttrsColumnIndices, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr> +<tr class="separator:a76a03f1d7ff2b1891cb310668077b386"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a163afffd0c845d325f060f74bcf02243"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a163afffd0c845d325f060f74bcf02243">create_nb_probs_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr> +<tr class="memdesc:a163afffd0c845d325f060f74bcf02243"><td class="mdescLeft"> </td><td class="mdescRight">Create view with columns <code>(key, class, nb_prob)</code> <a href="#a163afffd0c845d325f060f74bcf02243">More...</a><br /></td></tr> +<tr class="separator:a163afffd0c845d325f060f74bcf02243"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a2e02b0ebb0b4c2ca77b1748662bae78f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a2e02b0ebb0b4c2ca77b1748662bae78f">create_nb_probs_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar numericFeatureStatsSource, varchar destName)</td></tr> +<tr class="separator:a2e02b0ebb0b4c2ca77b1748662bae78f"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:aba5d695641530e55b25c8007b77142b9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#aba5d695641530e55b25c8007b77142b9">create_nb_probs_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr> +<tr class="separator:aba5d695641530e55b25c8007b77142b9"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a6d1186aa04f4d4e3ac44035467818d3c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a6d1186aa04f4d4e3ac44035467818d3c">create_nb_probs_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar numericAttrsColumnIndices, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr> +<tr class="separator:a6d1186aa04f4d4e3ac44035467818d3c"><td class="memSeparator" colspan="2"> </td></tr> +</table> +<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> +<div class="textblock"><dl class="section date"><dt>Date</dt><dd>January 2011</dd></dl> +<dl class="section see"><dt>See also</dt><dd>For a brief introduction to Naive Bayes Classification, see the module description <a class="el" href="group__grp__bayes.html">Naive Bayes Classification</a>. </dd></dl> +</div><h2 class="groupheader">Function Documentation</h2> +<a id="ad47c68a2b8aeedf66d509f0c32a9732d"></a> +<h2 class="memtitle"><span class="permalink"><a href="#ad47c68a2b8aeedf66d509f0c32a9732d">◆ </a></span>argmax()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">aggregate integer [] argmax </td> + <td>(</td> + <td class="paramtype">integer </td> + <td class="paramname"><em>key</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>value</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="ab150442ec577f4a0a3948176baf5ebd0"></a> +<h2 class="memtitle"><span class="permalink"><a href="#ab150442ec577f4a0a3948176baf5ebd0">◆ </a></span>argmax_combine()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">args_and_value_double argmax_combine </td> + <td>(</td> + <td class="paramtype">args_and_value_double </td> + <td class="paramname"><em>max1</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">args_and_value_double </td> + <td class="paramname"><em>max2</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="aa7017323fd6fad40c9acbbee5f1fec7e"></a> +<h2 class="memtitle"><span class="permalink"><a href="#aa7017323fd6fad40c9acbbee5f1fec7e">◆ </a></span>argmax_final()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">integer [] argmax_final </td> + <td>(</td> + <td class="paramtype">args_and_value_double </td> + <td class="paramname"><em>finalstate</em></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a0671e6ac35a1967f41d2efb9e8417e1b"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a0671e6ac35a1967f41d2efb9e8417e1b">◆ </a></span>argmax_transition()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">args_and_value_double argmax_transition </td> + <td>(</td> + <td class="paramtype">args_and_value_double </td> + <td class="paramname"><em>oldmax</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>newkey</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>newvalue</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a798402280fc6db710957ae3ab58767e0"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a798402280fc6db710957ae3ab58767e0">◆ </a></span>create_nb_classify_view() <span class="overload">[1/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_classify_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>featureProbsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classPriorsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<p>The created relation will be</p> +<p><code>{TABLE|VIEW} <em>destName</em> (key, nb_classification)</code></p> +<p>where <code>nb_classification</code> is an array containing the most likely class(es) of the record in <em>classifySource</em> identified by <code>key</code>.</p> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">featureProbsSource</td><td>Name of table with precomputed feature probabilities, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr> + <tr><td class="paramname">classPriorsSource</td><td>Name of table with precomputed class priors, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr> + <tr><td class="paramname">classifySource</td><td>Name of the relation that contains data to be classified </td></tr> + <tr><td class="paramname">classifyKeyColumn</td><td>Name of column in <em>classifySource</em> that can serve as unique identifier (the key of the source relation) </td></tr> + <tr><td class="paramname">classifyAttrColumn</td><td>Name of attributes-array column in <em>classifySource</em> </td></tr> + <tr><td class="paramname">numAttrs</td><td>Number of attributes to use for classification </td></tr> + <tr><td class="paramname">destName</td><td>Name of the view to create</td></tr> + </table> + </dd> +</dl> +<dl class="section note"><dt>Note</dt><dd><code>create_nb_classify_view</code> can be called in an ad-hoc fashion. See <a class="el" href="group__grp__bayes.html">Naive Bayes Classification</a> for instructions.</dd></dl> +<dl class="section user"><dt>Usage</dt><dd><ol type="1"> +<li>Create Naive Bayes classifications view: <pre>SELECT <a class="el" href="bayes_8sql__in.html#a76a03f1d7ff2b1891cb310668077b386">create_nb_classify_view</a>( + '<em>featureProbsName</em>', '<em>classPriorsName</em>', + '<em>classifySource</em>', '<em>classifyKeyColumn</em>', '<em>classifyAttrColumn</em>', + <em>numAttrs</em>, '<em>destName</em>' +);</pre></li> +<li>Show Naive Bayes classifications: <pre>SELECT * FROM <em>destName</em>;</pre> </li> +</ol> +</dd></dl> + +</div> +</div> +<a id="a4e8e24120269be2b58f959ab5473b2cb"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a4e8e24120269be2b58f959ab5473b2cb">◆ </a></span>create_nb_classify_view() <span class="overload">[2/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_classify_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>featureProbsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classPriorsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>numericFeatureStatsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a6472f620099368cb8c334e0badb12133"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a6472f620099368cb8c334e0badb12133">◆ </a></span>create_nb_classify_view() <span class="overload">[3/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_classify_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingClassColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a76a03f1d7ff2b1891cb310668077b386"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a76a03f1d7ff2b1891cb310668077b386">◆ </a></span>create_nb_classify_view() <span class="overload">[4/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_classify_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingClassColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>numericAttrsColumnIndices</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="aeb4eae7843dd789cc38d5fc57f4ccfb2"></a> +<h2 class="memtitle"><span class="permalink"><a href="#aeb4eae7843dd789cc38d5fc57f4ccfb2">◆ </a></span>create_nb_prepared_data_tables() <span class="overload">[1/2]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_prepared_data_tables </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingClassColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>featureProbsDestName</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classPriorsDestName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<p>Feature probabilities are stored in a table of format </p><pre>TABLE <em>featureProbsDestName</em> ( + class INTEGER, + attr INTEGER, + value INTEGER, + cnt INTEGER, + attr_cnt INTEGER +)</pre><p>Class priors are stored in a table of format </p><pre>TABLE <em>classPriorsDestName</em> ( + class INTEGER, + class_cnt INTEGER, + all_cnt INTEGER +)</pre><dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">trainingSource</td><td>Name of relation containing the training data </td></tr> + <tr><td class="paramname">trainingClassColumn</td><td>Name of class column in training data </td></tr> + <tr><td class="paramname">trainingAttrColumn</td><td>Name of attributes-array column in training data </td></tr> + <tr><td class="paramname">numAttrs</td><td>Number of attributes to use for classification </td></tr> + <tr><td class="paramname">featureProbsDestName</td><td>Name of feature-probabilities table to create </td></tr> + <tr><td class="paramname">classPriorsDestName</td><td>Name of class-priors table to create</td></tr> + </table> + </dd> +</dl> +<dl class="section user"><dt>Usage</dt><dd>Precompute feature probabilities and class priors: <pre>SELECT <a class="el" href="bayes_8sql__in.html#a3ed5ddbc4cab1013db8604be58a6da3d">create_nb_prepared_data_tables</a>( + '<em>trainingSource</em>', '<em>trainingClassColumn</em>', '<em>trainingAttrColumn</em>', + <em>numAttrs</em>, '<em>featureProbsName</em>', '<em>classPriorsName</em>' +);</pre> </dd></dl> + +</div> +</div> +<a id="a3ed5ddbc4cab1013db8604be58a6da3d"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a3ed5ddbc4cab1013db8604be58a6da3d">◆ </a></span>create_nb_prepared_data_tables() <span class="overload">[2/2]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_prepared_data_tables </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingClassColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>numericAttrsColumnIndices</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>featureProbsDestName</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>numericFeatureStatsDestName</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classPriorsDestName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a163afffd0c845d325f060f74bcf02243"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a163afffd0c845d325f060f74bcf02243">◆ </a></span>create_nb_probs_view() <span class="overload">[1/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_probs_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>featureProbsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classPriorsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<p>The created view will be of the following form:</p> +<pre>VIEW <em>destName</em> ( + key ANYTYPE, + class INTEGER, + nb_prob FLOAT8 +)</pre><p>where <code>nb_prob</code> is the Naive-Bayes probability that <code>class</code> is the true class of the record in <em>classifySource</em> identified by <code>key</code>.</p> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">featureProbsSource</td><td>Name of table with precomputed feature probabilities, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr> + <tr><td class="paramname">classPriorsSource</td><td>Name of table with precomputed class priors, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr> + <tr><td class="paramname">classifySource</td><td>Name of the relation that contains data to be classified </td></tr> + <tr><td class="paramname">classifyKeyColumn</td><td>Name of column in <em>classifySource</em> that can serve as unique identifier (the key of the source relation) </td></tr> + <tr><td class="paramname">classifyAttrColumn</td><td>Name of attributes-array column in <em>classifySource</em> </td></tr> + <tr><td class="paramname">numAttrs</td><td>Number of attributes to use for classification </td></tr> + <tr><td class="paramname">destName</td><td>Name of the view to create</td></tr> + </table> + </dd> +</dl> +<dl class="section note"><dt>Note</dt><dd><code>create_nb_probs_view</code> can be called in an ad-hoc fashion. See <a class="el" href="group__grp__bayes.html">Naive Bayes Classification</a> for instructions.</dd></dl> +<dl class="section user"><dt>Usage</dt><dd><ol type="1"> +<li>Create Naive Bayes probabilities view: <pre>SELECT <a class="el" href="bayes_8sql__in.html#a6d1186aa04f4d4e3ac44035467818d3c">create_nb_probs_view</a>( + '<em>featureProbsName</em>', '<em>classPriorsName</em>', + '<em>classifySource</em>', '<em>classifyKeyColumn</em>', '<em>classifyAttrColumn</em>', + <em>numAttrs</em>, '<em>destName</em>' +);</pre></li> +<li>Show Naive Bayes probabilities: <pre>SELECT * FROM <em>destName</em>;</pre> </li> +</ol> +</dd></dl> + +</div> +</div> +<a id="a2e02b0ebb0b4c2ca77b1748662bae78f"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a2e02b0ebb0b4c2ca77b1748662bae78f">◆ </a></span>create_nb_probs_view() <span class="overload">[2/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_probs_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>featureProbsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classPriorsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>numericFeatureStatsSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="aba5d695641530e55b25c8007b77142b9"></a> +<h2 class="memtitle"><span class="permalink"><a href="#aba5d695641530e55b25c8007b77142b9">◆ </a></span>create_nb_probs_view() <span class="overload">[3/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_probs_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingClassColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a6d1186aa04f4d4e3ac44035467818d3c"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a6d1186aa04f4d4e3ac44035467818d3c">◆ </a></span>create_nb_probs_view() <span class="overload">[4/4]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void create_nb_probs_view </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingSource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingClassColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>trainingAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>numericAttrsColumnIndices</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifySource</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyKeyColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>classifyAttrColumn</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>numAttrs</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>destName</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +</div><!-- contents --> +</div><!-- doc-content --> +<!-- start footer part --> +<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> + <ul> + <li class="navelem"><a 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