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class="summary"> +<a href="#func-members">Functions</a> </div> + <div class="headertitle"> +<div class="title">linear.sql_in File Reference</div> </div> +</div><!--header--> +<div class="contents"> + +<p>SQL functions for linear regression. +<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:ad0175a9ecc455d9679f7d251af264848"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#ad0175a9ecc455d9679f7d251af264848">linregr_train</a> (varchar source_table, varchar out_table, varchar dependent_varname, varchar independent_varname, varchar grouping_cols, boolean heteroskedasticity_option)</td></tr> +<tr class="memdesc:ad0175a9ecc455d9679f7d251af264848"><td class="mdescLeft"> </td><td class="mdescRight">Linear regression training function with grouping support. <a href="#ad0175a9ecc455d9679f7d251af264848">More...</a><br /></td></tr> +<tr class="separator:ad0175a9ecc455d9679f7d251af264848"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ac807cf4749db37b6fc7be24c2db10d96"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#ac807cf4749db37b6fc7be24c2db10d96">linregr_train</a> (varchar source_table, varchar out_table, varchar dependent_varname, varchar independent_varname, varchar grouping_cols)</td></tr> +<tr class="separator:ac807cf4749db37b6fc7be24c2db10d96"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a71fb4a634f3145d0369879c931e0f16e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a71fb4a634f3145d0369879c931e0f16e">linregr_train</a> (varchar source_table, varchar out_table, varchar dependent_varname, varchar independent_varname)</td></tr> +<tr class="separator:a71fb4a634f3145d0369879c931e0f16e"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a1469685d518752784080c0b2811c9a81"><td class="memItemLeft" align="right" valign="top">varchar </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a1469685d518752784080c0b2811c9a81">linregr_train</a> ()</td></tr> +<tr class="separator:a1469685d518752784080c0b2811c9a81"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a5f8e25203a2b3a9d0fd332a539972292"><td class="memItemLeft" align="right" valign="top">varchar </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a5f8e25203a2b3a9d0fd332a539972292">linregr_train</a> (varchar message)</td></tr> +<tr class="separator:a5f8e25203a2b3a9d0fd332a539972292"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:aa2b87a3e60272176bfa2fb859f99461a"><td class="memItemLeft" align="right" valign="top">bytea8 </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#aa2b87a3e60272176bfa2fb859f99461a">linregr_transition</a> (bytea8 state, float8 y, float8[] x)</td></tr> +<tr class="separator:aa2b87a3e60272176bfa2fb859f99461a"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a042536820ffbad498a4e1c410f949e35"><td class="memItemLeft" align="right" valign="top">bytea8 </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a042536820ffbad498a4e1c410f949e35">linregr_merge_states</a> (bytea8 state1, bytea8 state2)</td></tr> +<tr class="separator:a042536820ffbad498a4e1c410f949e35"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a28b69254ba5cd513b35ba6b17efd2c35"><td class="memItemLeft" align="right" valign="top">linregr_result </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a28b69254ba5cd513b35ba6b17efd2c35">linregr_final</a> (bytea8 state)</td></tr> +<tr class="separator:a28b69254ba5cd513b35ba6b17efd2c35"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a4a583204053716bbece6321f5d9332b1"><td class="memItemLeft" align="right" valign="top">bytea8 </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a4a583204053716bbece6321f5d9332b1">hetero_linregr_transition</a> (bytea8 state, float8 y, float8[] x, float8[] coef)</td></tr> +<tr class="separator:a4a583204053716bbece6321f5d9332b1"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ad10649c8460c337a285cf20f2b87d0c5"><td class="memItemLeft" align="right" valign="top">bytea8 </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#ad10649c8460c337a285cf20f2b87d0c5">hetero_linregr_merge_states</a> (bytea8 state1, bytea8 state2)</td></tr> +<tr class="separator:ad10649c8460c337a285cf20f2b87d0c5"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a4b2e38f45a8e519af5947fcc2eb02829"><td class="memItemLeft" align="right" valign="top">heteroskedasticity_test_result </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a4b2e38f45a8e519af5947fcc2eb02829">hetero_linregr_final</a> (bytea8 state)</td></tr> +<tr class="separator:a4b2e38f45a8e519af5947fcc2eb02829"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a5fcd1daa9796dccf5430929c37ea0ee9"><td class="memItemLeft" align="right" valign="top">aggregate bytea8 </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a5fcd1daa9796dccf5430929c37ea0ee9">linregr</a> (float8 dependentVariable, float8[] independentVariables)</td></tr> +<tr class="memdesc:a5fcd1daa9796dccf5430929c37ea0ee9"><td class="mdescLeft"> </td><td class="mdescRight">Compute linear regression coefficients and diagnostic statistics. <a href="#a5fcd1daa9796dccf5430929c37ea0ee9">More...</a><br /></td></tr> +<tr class="separator:a5fcd1daa9796dccf5430929c37ea0ee9"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a6d36a88e06a31753f4045a6c4539ca10"><td class="memItemLeft" align="right" valign="top">aggregate bytea8 </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a6d36a88e06a31753f4045a6c4539ca10">heteroskedasticity_test_linregr</a> (float8 dependentVariable, float8[] independentVariables, float8[] olsCoefficients)</td></tr> +<tr class="memdesc:a6d36a88e06a31753f4045a6c4539ca10"><td class="mdescLeft"> </td><td class="mdescRight">Compute studentized Breuch-Pagan heteroskedasticity test for linear regression. <a href="#a6d36a88e06a31753f4045a6c4539ca10">More...</a><br /></td></tr> +<tr class="separator:a6d36a88e06a31753f4045a6c4539ca10"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a8da0030683d5931b93e5f2bee3fd0544"><td class="memItemLeft" align="right" valign="top">float8 </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a8da0030683d5931b93e5f2bee3fd0544">linregr_predict</a> (float8[] coef, float8[] col_ind_var)</td></tr> +<tr class="memdesc:a8da0030683d5931b93e5f2bee3fd0544"><td class="mdescLeft"> </td><td class="mdescRight">Predict the boolean value of a dependent variable for a specific independent variable value in a linear regression model. <a href="#a8da0030683d5931b93e5f2bee3fd0544">More...</a><br /></td></tr> +<tr class="separator:a8da0030683d5931b93e5f2bee3fd0544"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a98442804f12e5489dedf0ada2d8c273e"><td class="memItemLeft" align="right" valign="top">text </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a98442804f12e5489dedf0ada2d8c273e">linregr_predict</a> (text message)</td></tr> +<tr class="separator:a98442804f12e5489dedf0ada2d8c273e"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a1cf80cdbcabf4ba83b128c08bc804ca5"><td class="memItemLeft" align="right" valign="top">text </td><td class="memItemRight" valign="bottom"><a class="el" href="linear_8sql__in.html#a1cf80cdbcabf4ba83b128c08bc804ca5">linregr_predict</a> ()</td></tr> +<tr class="separator:a1cf80cdbcabf4ba83b128c08bc804ca5"><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 linear regression, see the module description <a class="el" href="group__grp__linreg.html">Linear Regression</a>. </dd></dl> +</div><h2 class="groupheader">Function Documentation</h2> +<a id="a4b2e38f45a8e519af5947fcc2eb02829"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a4b2e38f45a8e519af5947fcc2eb02829">◆ </a></span>hetero_linregr_final()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">heteroskedasticity_test_result hetero_linregr_final </td> + <td>(</td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state</em></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="ad10649c8460c337a285cf20f2b87d0c5"></a> +<h2 class="memtitle"><span class="permalink"><a href="#ad10649c8460c337a285cf20f2b87d0c5">◆ </a></span>hetero_linregr_merge_states()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">bytea8 hetero_linregr_merge_states </td> + <td>(</td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state1</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state2</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a4a583204053716bbece6321f5d9332b1"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a4a583204053716bbece6321f5d9332b1">◆ </a></span>hetero_linregr_transition()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">bytea8 hetero_linregr_transition </td> + <td>(</td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>y</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>x</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>coef</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a6d36a88e06a31753f4045a6c4539ca10"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a6d36a88e06a31753f4045a6c4539ca10">◆ </a></span>heteroskedasticity_test_linregr()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">aggregate bytea8 heteroskedasticity_test_linregr </td> + <td>(</td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>dependentVariable</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>independentVariables</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>olsCoefficients</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">dependentVariable</td><td>Column containing the dependent variable </td></tr> + <tr><td class="paramname">independentVariables</td><td>Column containing the array of independent variables </td></tr> + <tr><td class="paramname">olsCoefficients</td><td>Column containing the array of the OLS coefficients (as obtained by linregr)</td></tr> + </table> + </dd> +</dl> +<dl class="section user"><dt></dt><dd>To include an intercept in the model, set one coordinate in the <code>independentVariables</code> array to 1.</dd></dl> +<dl class="section return"><dt>Returns</dt><dd>A composite value:<ul> +<li><code>test_statistic FLOAT8[]</code> - Prob > test_statistc</li> +<li><code>p_value FLOAT8[]</code> - Prob > test_statistc</li> +</ul> +</dd></dl> +<dl class="section user"><dt>Usage</dt><dd><pre> SELECT (heteoskedasticity_test_linregr(<em>dependentVariable</em>, + <em>independentVariables</em>, coef)).* + FROM ( + SELECT linregr(<em>dependentVariable</em>, <em>independentVariables</em>).coef + ) AS ols_coef, <em>sourceName</em> as src; +</pre> </dd></dl> + +</div> +</div> +<a id="a5fcd1daa9796dccf5430929c37ea0ee9"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a5fcd1daa9796dccf5430929c37ea0ee9">◆ </a></span>linregr()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">aggregate bytea8 linregr </td> + <td>(</td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>dependentVariable</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>independentVariables</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">dependentVariable</td><td>Column containing the dependent variable </td></tr> + <tr><td class="paramname">independentVariables</td><td>Column containing the array of independent variables</td></tr> + </table> + </dd> +</dl> +<dl class="section user"><dt></dt><dd>To include an intercept in the model, set one coordinate in the <code>independentVariables</code> array to 1.</dd></dl> +<dl class="section return"><dt>Returns</dt><dd>A composite value:<ul> +<li><code>coef FLOAT8[]</code> - Array of coefficients, <img class="formulaInl" alt="$ \boldsymbol c $" src="form_79.png"/></li> +<li><code>r2 FLOAT8</code> - Coefficient of determination, <img class="formulaInl" alt="$ R^2 $" src="form_337.png"/></li> +<li><code>std_err FLOAT8[]</code> - Array of standard errors, <img class="formulaInl" alt="$ \mathit{se}(c_1), \dots, \mathit{se}(c_k) $" src="form_350.png"/></li> +<li><code>t_stats FLOAT8[]</code> - Array of t-statistics, <img class="formulaInl" alt="$ \boldsymbol t $" src="form_351.png"/></li> +<li><code>p_values FLOAT8[]</code> - Array of p-values, <img class="formulaInl" alt="$ \boldsymbol p $" src="form_352.png"/></li> +<li><code>condition_no FLOAT8</code> - The condition number of matrix <img class="formulaInl" alt="$ X^T X $" src="form_353.png"/>.</li> +</ul> +</dd></dl> +<dl class="section user"><dt>Usage</dt><dd><ul> +<li>Get vector of coefficients <img class="formulaInl" alt="$ \boldsymbol c $" src="form_79.png"/> and all diagnostic statistics:<br /> + <pre>SELECT (linregr(<em>dependentVariable</em>, + <em>independentVariables</em>)).* +FROM <em>sourceName</em>;</pre></li> +<li>Get vector of coefficients <img class="formulaInl" alt="$ \boldsymbol c $" src="form_79.png"/>:<br /> + <pre>SELECT (linregr(<em>dependentVariable</em>, + <em>independentVariables</em>)).coef +FROM <em>sourceName</em>;</pre></li> +<li>Get a subset of the output columns, e.g., only the array of coefficients <img class="formulaInl" alt="$ \boldsymbol c $" src="form_79.png"/>, the coefficient of determination <img class="formulaInl" alt="$ R^2 $" src="form_337.png"/>, and the array of p-values <img class="formulaInl" alt="$ \boldsymbol p $" src="form_352.png"/>: <pre>SELECT (lr).coef, (lr).r2, (lr).p_values +FROM ( + SELECT linregr( <em>dependentVariable</em>, + <em>independentVariables</em>) AS lr + FROM <em>sourceName</em> +) AS subq;</pre> </li> +</ul> +</dd></dl> + +</div> +</div> +<a id="a28b69254ba5cd513b35ba6b17efd2c35"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a28b69254ba5cd513b35ba6b17efd2c35">◆ </a></span>linregr_final()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">linregr_result linregr_final </td> + <td>(</td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state</em></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a042536820ffbad498a4e1c410f949e35"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a042536820ffbad498a4e1c410f949e35">◆ </a></span>linregr_merge_states()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">bytea8 linregr_merge_states </td> + <td>(</td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state1</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state2</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a8da0030683d5931b93e5f2bee3fd0544"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a8da0030683d5931b93e5f2bee3fd0544">◆ </a></span>linregr_predict() <span class="overload">[1/3]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">float8 linregr_predict </td> + <td>(</td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>coef</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>col_ind_var</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">coef</td><td>Coefficients obtained by running linear regression. </td></tr> + <tr><td class="paramname">col_ind</td><td>Independent variable array </td></tr> + </table> + </dd> +</dl> +<dl class="section return"><dt>Returns</dt><dd>DOUBLE PRECISION Predicted value</dd></dl> +<p>This function computes the dot product of the independent variables and the coefficients. This requires the length of the two vectors to be the same. </p> + +</div> +</div> +<a id="a98442804f12e5489dedf0ada2d8c273e"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a98442804f12e5489dedf0ada2d8c273e">◆ </a></span>linregr_predict() <span class="overload">[2/3]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">text linregr_predict </td> + <td>(</td> + <td class="paramtype">text </td> + <td class="paramname"><em>message</em></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a1cf80cdbcabf4ba83b128c08bc804ca5"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a1cf80cdbcabf4ba83b128c08bc804ca5">◆ </a></span>linregr_predict() <span class="overload">[3/3]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">text linregr_predict </td> + <td>(</td> + <td class="paramname"></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="ad0175a9ecc455d9679f7d251af264848"></a> +<h2 class="memtitle"><span class="permalink"><a href="#ad0175a9ecc455d9679f7d251af264848">◆ </a></span>linregr_train() <span class="overload">[1/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void linregr_train </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>source_table</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>out_table</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>dependent_varname</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>independent_varname</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>grouping_cols</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">boolean </td> + <td class="paramname"><em>heteroskedasticity_option</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="ac807cf4749db37b6fc7be24c2db10d96"></a> +<h2 class="memtitle"><span class="permalink"><a href="#ac807cf4749db37b6fc7be24c2db10d96">◆ </a></span>linregr_train() <span class="overload">[2/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void linregr_train </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>source_table</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>out_table</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>dependent_varname</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>independent_varname</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>grouping_cols</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a71fb4a634f3145d0369879c931e0f16e"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a71fb4a634f3145d0369879c931e0f16e">◆ </a></span>linregr_train() <span class="overload">[3/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void linregr_train </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>source_table</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>out_table</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>dependent_varname</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>independent_varname</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a1469685d518752784080c0b2811c9a81"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a1469685d518752784080c0b2811c9a81">◆ </a></span>linregr_train() <span class="overload">[4/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">varchar linregr_train </td> + <td>(</td> + <td class="paramname"></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a5f8e25203a2b3a9d0fd332a539972292"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a5f8e25203a2b3a9d0fd332a539972292">◆ </a></span>linregr_train() <span class="overload">[5/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">varchar linregr_train </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>message</em></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="aa2b87a3e60272176bfa2fb859f99461a"></a> +<h2 class="memtitle"><span class="permalink"><a href="#aa2b87a3e60272176bfa2fb859f99461a">◆ </a></span>linregr_transition()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">bytea8 linregr_transition </td> + <td>(</td> + <td class="paramtype">bytea8 </td> + <td class="paramname"><em>state</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>y</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>x</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 class="el" href="dir_5782bb6b417390b9b62f39df14784c0c.html">incubator-madlib</a></li><li class="navelem"><a class="el" href="dir_b6a04cbbf19cfc3536564b9928d4f3dc.html">src</a></li><li class="navelem"><a class="el" href="dir_71a41f8b7207fbbc465a4e4d95589314.html">ports</a></li><li class="navelem"><a class="el" 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+<a href="#func-members">Functions</a> </div> + <div class="headertitle"> +<div class="title">lmf.sql_in File Reference</div> </div> +</div><!--header--> +<div class="contents"> + +<p>SQL functions for low-rank matrix factorization. +<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:a187574cfe85888b29d6b1658554e7507"><td class="memItemLeft" align="right" valign="top">float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a187574cfe85888b29d6b1658554e7507">lmf_igd_transition</a> (float8[] state, integer row_num, integer column_num, float8 val, float8[] previous_state, integer row_dim, integer column_dim, integer max_rank, float8 stepsize, float8 scale_factor)</td></tr> +<tr class="separator:a187574cfe85888b29d6b1658554e7507"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ae3bb16a76a927e1e59420d4a8e13012f"><td class="memItemLeft" align="right" valign="top">float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#ae3bb16a76a927e1e59420d4a8e13012f">lmf_igd_merge</a> (float8[] state1, float8[] state2)</td></tr> +<tr class="separator:ae3bb16a76a927e1e59420d4a8e13012f"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a298f46c944cd6813b0360514bf8c9ed1"><td class="memItemLeft" align="right" valign="top">float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a298f46c944cd6813b0360514bf8c9ed1">lmf_igd_final</a> (float8[] state)</td></tr> +<tr class="separator:a298f46c944cd6813b0360514bf8c9ed1"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a54d2ca2048d9a0c29d5593530b932a23"><td class="memItemLeft" align="right" valign="top">aggregate float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a54d2ca2048d9a0c29d5593530b932a23">lmf_igd_step</a> (integer row_num, integer column_num, float8 val, float8[] previous_state, integer row_dim, integer column_dim, integer max_rank, float8 stepsize, float8 scale_factor)</td></tr> +<tr class="separator:a54d2ca2048d9a0c29d5593530b932a23"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a05860ded070a214128e0b4e64c9c989e"><td class="memItemLeft" align="right" valign="top">float8 </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a05860ded070a214128e0b4e64c9c989e">internal_lmf_igd_distance</a> (float8[] state1, float8[] state2)</td></tr> +<tr class="separator:a05860ded070a214128e0b4e64c9c989e"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a8dede6aa8d024f0bb9acca9a83dfd579"><td class="memItemLeft" align="right" valign="top">lmf_result </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a8dede6aa8d024f0bb9acca9a83dfd579">internal_lmf_igd_result</a> (float8[] state)</td></tr> +<tr class="separator:a8dede6aa8d024f0bb9acca9a83dfd579"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:aea3df2d68e7a289da928b8a584ac719e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#aea3df2d68e7a289da928b8a584ac719e">internal_execute_using_lmf_igd_args</a> (varchar sql, integer, integer, integer, float8, float8, integer, float8)</td></tr> +<tr class="separator:aea3df2d68e7a289da928b8a584ac719e"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:aae221f5f5b2f670a93c00202b251857d"><td class="memItemLeft" align="right" valign="top">integer </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#aae221f5f5b2f670a93c00202b251857d">internal_compute_lmf_igd</a> (varchar rel_args, varchar rel_state, varchar rel_source, varchar col_row, varchar col_column, varchar col_value)</td></tr> +<tr class="separator:aae221f5f5b2f670a93c00202b251857d"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:ac1acb1f0e1f7008118f21c83546a4602"><td class="memItemLeft" align="right" valign="top">integer </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#ac1acb1f0e1f7008118f21c83546a4602">lmf_igd_run</a> (varchar rel_output, regclass rel_source, varchar col_row, varchar col_column, varchar col_value, integer row_dim="SELECT max(col_row) FROM rel_source", integer column_dim="SELECT max(col_col) FROM rel_source", integer max_rank=20, float8 stepsize=0.01, float8 scale_factor=0.1, integer num_iterations=10, float8 tolerance=0.0001)</td></tr> +<tr class="memdesc:ac1acb1f0e1f7008118f21c83546a4602"><td class="mdescLeft"> </td><td class="mdescRight">Low-rank matrix factorization of a incomplete matrix into two factors. <a href="#ac1acb1f0e1f7008118f21c83546a4602">More...</a><br /></td></tr> +<tr class="separator:ac1acb1f0e1f7008118f21c83546a4602"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a917cb41e439c6786f91a27463dca0732"><td class="memItemLeft" align="right" valign="top">integer </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a917cb41e439c6786f91a27463dca0732">lmf_igd_run</a> (varchar rel_output, regclass rel_source, varchar col_row, varchar col_column, varchar col_value, integer row_dim, integer column_dim, integer max_rank, float8 stepsize, float8 scale_factor)</td></tr> +<tr class="separator:a917cb41e439c6786f91a27463dca0732"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a9b18ea9dd016d109a5c001762394e788"><td class="memItemLeft" align="right" valign="top">integer </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a9b18ea9dd016d109a5c001762394e788">lmf_igd_run</a> (varchar rel_output, regclass rel_source, varchar col_row, varchar col_column, varchar col_value, integer row_dim, integer column_dim, integer max_rank, float8 stepsize)</td></tr> +<tr class="separator:a9b18ea9dd016d109a5c001762394e788"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:a0c5c2d04936ac341e8c054237266938b"><td class="memItemLeft" align="right" valign="top">integer </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#a0c5c2d04936ac341e8c054237266938b">lmf_igd_run</a> (varchar rel_output, regclass rel_source, varchar col_row, varchar col_column, varchar col_value, integer row_dim, integer column_dim, integer max_rank)</td></tr> +<tr class="separator:a0c5c2d04936ac341e8c054237266938b"><td class="memSeparator" colspan="2"> </td></tr> +<tr class="memitem:acaeef70cbcad01aadbad6fbce81d42fb"><td class="memItemLeft" align="right" valign="top">integer </td><td class="memItemRight" valign="bottom"><a class="el" href="lmf_8sql__in.html#acaeef70cbcad01aadbad6fbce81d42fb">lmf_igd_run</a> (varchar rel_output, regclass rel_source, varchar col_row, varchar col_column, text col_value)</td></tr> +<tr class="separator:acaeef70cbcad01aadbad6fbce81d42fb"><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>June 2012</dd></dl> +<dl class="section see"><dt>See also</dt><dd>For a brief introduction to Low-rank Matrix Factorization, see the module description <a class="el" href="group__grp__lmf.html">Low-rank Matrix Factorization</a>. </dd></dl> +</div><h2 class="groupheader">Function Documentation</h2> +<a id="aae221f5f5b2f670a93c00202b251857d"></a> +<h2 class="memtitle"><span class="permalink"><a href="#aae221f5f5b2f670a93c00202b251857d">◆ </a></span>internal_compute_lmf_igd()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">integer internal_compute_lmf_igd </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_args</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_state</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_source</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_row</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_column</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_value</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="aea3df2d68e7a289da928b8a584ac719e"></a> +<h2 class="memtitle"><span class="permalink"><a href="#aea3df2d68e7a289da928b8a584ac719e">◆ </a></span>internal_execute_using_lmf_igd_args()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">void internal_execute_using_lmf_igd_args </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>sql</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname">, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname">, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname">, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname">, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname">, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname">, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a05860ded070a214128e0b4e64c9c989e"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a05860ded070a214128e0b4e64c9c989e">◆ </a></span>internal_lmf_igd_distance()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">float8 internal_lmf_igd_distance </td> + <td>(</td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>state1</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>state2</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a8dede6aa8d024f0bb9acca9a83dfd579"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a8dede6aa8d024f0bb9acca9a83dfd579">◆ </a></span>internal_lmf_igd_result()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">lmf_result internal_lmf_igd_result </td> + <td>(</td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>state</em></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a298f46c944cd6813b0360514bf8c9ed1"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a298f46c944cd6813b0360514bf8c9ed1">◆ </a></span>lmf_igd_final()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">float8 [] lmf_igd_final </td> + <td>(</td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>state</em></td><td>)</td> + <td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="ae3bb16a76a927e1e59420d4a8e13012f"></a> +<h2 class="memtitle"><span class="permalink"><a href="#ae3bb16a76a927e1e59420d4a8e13012f">◆ </a></span>lmf_igd_merge()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">float8 [] lmf_igd_merge </td> + <td>(</td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>state1</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>state2</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="ac1acb1f0e1f7008118f21c83546a4602"></a> +<h2 class="memtitle"><span class="permalink"><a href="#ac1acb1f0e1f7008118f21c83546a4602">◆ </a></span>lmf_igd_run() <span class="overload">[1/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">integer lmf_igd_run </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_output</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">regclass </td> + <td class="paramname"><em>rel_source</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_row</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_column</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_value</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_dim</em> = <code>"SELECT max(col_row) FROM rel_source"</code>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_dim</em> = <code>"SELECT max(col_col) FROM rel_source"</code>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>max_rank</em> = <code>20</code>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>stepsize</em> = <code>0.01</code>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>scale_factor</em> = <code>0.1</code>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>num_iterations</em> = <code>10</code>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>tolerance</em> = <code>0.0001</code> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> +<p>This function takes as input the table representation of a incomplete matrix in the sparse (i, j, value) format and decomposes it into the specified set of most significant features of matrices of U and V matrix. The input matrix is expected to have dimension [1:row_dim][1:column_dim], but in sparse format.</p> +<dl class="params"><dt>Parameters</dt><dd> + <table class="params"> + <tr><td class="paramname">rel_output</td><td>Name of the table that the factors will be appended to </td></tr> + <tr><td class="paramname">rel_source</td><td>Name of the table/view with the source data </td></tr> + <tr><td class="paramname">col_row</td><td>Name of the column containing cell row number </td></tr> + <tr><td class="paramname">col_column</td><td>Name of the column containing cell column number </td></tr> + <tr><td class="paramname">col_value</td><td>Name of the column containing cell value </td></tr> + <tr><td class="paramname">row_dim</td><td>Maximum number of rows of input </td></tr> + <tr><td class="paramname">column_dim</td><td>Maximum number of columns of input </td></tr> + <tr><td class="paramname">max_rank</td><td>Rank of desired approximation </td></tr> + <tr><td class="paramname">stepsize</td><td>Hyper-parameter that decides how aggressive that the gradient steps are </td></tr> + <tr><td class="paramname">scale_factor</td><td>Hyper-parameter that decides scale of initial factors </td></tr> + <tr><td class="paramname">num_iterations</td><td>Maximum number if iterations to perform regardless of convergence </td></tr> + <tr><td class="paramname">tolerance</td><td>Acceptable level of error in convergence. </td></tr> + </table> + </dd> +</dl> + +</div> +</div> +<a id="a917cb41e439c6786f91a27463dca0732"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a917cb41e439c6786f91a27463dca0732">◆ </a></span>lmf_igd_run() <span class="overload">[2/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">integer lmf_igd_run </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_output</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">regclass </td> + <td class="paramname"><em>rel_source</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_row</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_column</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_value</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>max_rank</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>stepsize</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>scale_factor</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a9b18ea9dd016d109a5c001762394e788"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a9b18ea9dd016d109a5c001762394e788">◆ </a></span>lmf_igd_run() <span class="overload">[3/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">integer lmf_igd_run </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_output</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">regclass </td> + <td class="paramname"><em>rel_source</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_row</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_column</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_value</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>max_rank</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>stepsize</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a0c5c2d04936ac341e8c054237266938b"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a0c5c2d04936ac341e8c054237266938b">◆ </a></span>lmf_igd_run() <span class="overload">[4/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">integer lmf_igd_run </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_output</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">regclass </td> + <td class="paramname"><em>rel_source</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_row</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_column</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_value</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>max_rank</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="acaeef70cbcad01aadbad6fbce81d42fb"></a> +<h2 class="memtitle"><span class="permalink"><a href="#acaeef70cbcad01aadbad6fbce81d42fb">◆ </a></span>lmf_igd_run() <span class="overload">[5/5]</span></h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">integer lmf_igd_run </td> + <td>(</td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>rel_output</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">regclass </td> + <td class="paramname"><em>rel_source</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_row</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">varchar </td> + <td class="paramname"><em>col_column</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">text </td> + <td class="paramname"><em>col_value</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a54d2ca2048d9a0c29d5593530b932a23"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a54d2ca2048d9a0c29d5593530b932a23">◆ </a></span>lmf_igd_step()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">aggregate float8 [] lmf_igd_step </td> + <td>(</td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_num</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_num</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>val</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>previous_state</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>max_rank</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>stepsize</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>scale_factor</em> </td> + </tr> + <tr> + <td></td> + <td>)</td> + <td></td><td></td> + </tr> + </table> +</div><div class="memdoc"> + +</div> +</div> +<a id="a187574cfe85888b29d6b1658554e7507"></a> +<h2 class="memtitle"><span class="permalink"><a href="#a187574cfe85888b29d6b1658554e7507">◆ </a></span>lmf_igd_transition()</h2> + +<div class="memitem"> +<div class="memproto"> + <table class="memname"> + <tr> + <td class="memname">float8 [] lmf_igd_transition </td> + <td>(</td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>state</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_num</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_num</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>val</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 [] </td> + <td class="paramname"><em>previous_state</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>row_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>column_dim</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">integer </td> + <td class="paramname"><em>max_rank</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>stepsize</em>, </td> + </tr> + <tr> + <td class="paramkey"></td> + <td></td> + <td class="paramtype">float8 </td> + <td class="paramname"><em>scale_factor</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 class="el" href="dir_5782bb6b417390b9b62f39df14784c0c.html">incubator-madlib</a></li><li class="navelem"><a class="el" href="dir_b6a04cbbf19cfc3536564b9928d4f3dc.html">src</a></li><li class="navelem"><a class="el" href="dir_71a41f8b7207fbbc465a4e4d95589314.html">ports</a></li><li class="navelem"><a class="el" href="dir_bae1ff22d939d9eb42c7df1d0670bc94.html">postgres</a></li><li class="navelem"><a class="el" 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