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| <p>SQL functions for SVD Matrix Factorization. |
| <a href="#details">More...</a></p> |
| |
| <p><a href="svdmf_8sql__in_source.html">Go to the source code of this file.</a></p> |
| <table class="memberdecls"> |
| <tr><td colspan="2"><h2><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">text </td><td class="memItemRight" valign="bottom"><a class="el" href="svdmf_8sql__in.html#a6cff34415cca23aa0a826cc08a6283f5">svdmf_run</a> (text input_table, text col_name, text row_name, text value, int num_features)</td></tr> |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Partial SVD decomposition of a sparse matrix into U and V components. <a href="#a6cff34415cca23aa0a826cc08a6283f5"></a><br/></td></tr> |
| <tr><td class="memItemLeft" align="right" valign="top">text </td><td class="memItemRight" valign="bottom"><a class="el" href="svdmf_8sql__in.html#a456119a507138326cdfda4f402de196f">svdmf_run</a> (text input_table, text col_name, text row_name, text value, int num_features, int num_iterations, float min_error)</td></tr> |
| <tr><td class="mdescLeft"> </td><td class="mdescRight">Partial SVD decomposition of a sparse matrix into U and V components. <a href="#a456119a507138326cdfda4f402de196f"></a><br/></td></tr> |
| </table> |
| <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> |
| <div class="textblock"><dl class="date"><dt><b>Date:</b></dt><dd>January 2011</dd></dl> |
| <dl class="see"><dt><b>See also:</b></dt><dd>For a brief introduction to SVD Matrix Factorization, see the module description <a class="el" href="group__grp__svdmf.html">SVD Matrix Factorisation</a>. </dd></dl> |
| |
| <p>Definition in file <a class="el" href="svdmf_8sql__in_source.html">svdmf.sql_in</a>.</p> |
| </div><hr/><h2>Function Documentation</h2> |
| <a class="anchor" id="a6cff34415cca23aa0a826cc08a6283f5"></a><!-- doxytag: member="svdmf.sql_in::svdmf_run" ref="a6cff34415cca23aa0a826cc08a6283f5" args="(text input_table, text col_name, text row_name, text value, int num_features)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">text svdmf_run </td> |
| <td>(</td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>input_table</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>col_name</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>row_name</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>value</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>num_features</em> </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 sparse matrix and decomposes it into the specified set of most significant features of matrices of U and V matrix.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">input_table</td><td>Name of the table/view with the source data </td></tr> |
| <tr><td class="paramname">col_name</td><td>Name of the column containing cell column number </td></tr> |
| <tr><td class="paramname">row_name</td><td>Name of the column containing cell row number </td></tr> |
| <tr><td class="paramname">value</td><td>Name of the column containing cell value </td></tr> |
| <tr><td class="paramname">num_features</td><td>Rank of desired approximation </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| <p>Definition at line <a class="el" href="svdmf_8sql__in_source.html#l00150">150</a> of file <a class="el" href="svdmf_8sql__in_source.html">svdmf.sql_in</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a456119a507138326cdfda4f402de196f"></a><!-- doxytag: member="svdmf.sql_in::svdmf_run" ref="a456119a507138326cdfda4f402de196f" args="(text input_table, text col_name, text row_name, text value, int num_features, int num_iterations, float min_error)" --> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">text svdmf_run </td> |
| <td>(</td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>input_table</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>col_name</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>row_name</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>value</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>num_features</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>num_iterations</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float </td> |
| <td class="paramname"><em>min_error</em> </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 sparse matrix and decomposes it into the specified set of most significant features of matrices of U and V matrix.</p> |
| <dl><dt><b>Parameters:</b></dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">input_table</td><td>Name of the table/view with the source data </td></tr> |
| <tr><td class="paramname">col_name</td><td>Name of the column containing cell column number </td></tr> |
| <tr><td class="paramname">row_name</td><td>Name of the column containing cell row number </td></tr> |
| <tr><td class="paramname">value</td><td>Name of the column containing cell value </td></tr> |
| <tr><td class="paramname">num_features</td><td>Rank of desired approximation </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">min_error</td><td>Acceptable level of error in convergence. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| |
| <p>Definition at line <a class="el" href="svdmf_8sql__in_source.html#l00180">180</a> of file <a class="el" href="svdmf_8sql__in_source.html">svdmf.sql_in</a>.</p> |
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