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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>APRIORI algorithm: common.hpp File Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.9.1 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a></div><h1>common.hpp File Reference</h1><p>This graph shows which files directly or indirectly include this file:<p><a href="common_8hpp-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Typedefs</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8hpp.html#a0">itemtype</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The type of the item. <a href="#a0"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">typedef unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="common_8hpp.html#a1">countertype</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">The type of the counter for support counting. <a href="#a1"></a><br></td></tr></table><hr><h2>Typedef Documentation</h2><a class="anchor" name="a1" doxytag="common.hpp::countertype"></a><p><table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">typedef unsigned int <a class="el" href="common_8hpp.html#a1">countertype</a> </td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>The type of the counter for support counting. <p>Counters are represented by non-negative integers. If we know that the transaction file does not contain more than n <img class="formulaInl" alt="$2^{16}$" src="form_2.png"> transactions, we can recomplie the code using unsigned short as type. <p>Definition at line <a class="el" href="common_8hpp-source.html#l00032">32</a> of file <a class="el" href="common_8hpp-source.html">common.hpp</a>.<p>Referenced by <a class="el" href="Input__Output__Manager_8cpp-source.html#l00059">Input_Output_Manager::find_frequent_items()</a>, and <a class="el" href="Apriori_8cpp-source.html#l00021">Apriori::support()</a>. </td> </tr></table><a class="anchor" name="a0" doxytag="common.hpp::itemtype"></a><p><table class="mdTable" width="100%" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">typedef unsigned int <a class="el" href="common_8hpp.html#a0">itemtype</a> </td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>The type of the item. <p>Items are represented by non-negative integers. If we know that no itemcode is larger than <img class="formulaInl" alt="$2^{16}$" src="form_2.png">, we can recomplie the code using unsigned short as itemtype. <p>Definition at line <a class="el" href="common_8hpp-source.html#l00022">22</a> of file <a class="el" href="common_8hpp-source.html">common.hpp</a>.<p>Referenced by <a class="el" href="Input__Output__Manager_8cpp-source.html#l00027">Input_Output_Manager::read_in_a_line()</a>. </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Fri Mar 11 14:48:06 2005 for APRIORI algorithm by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address></body></html>⌨️ 快捷键说明
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