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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_13) on Mon Jul 14 01:36:27 CEST 2008 --><TITLE>FPTreeNode (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.operator.learner.associations.fpgrowth.FPTreeNode class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="FPTreeNode (RapidMiner Class Documentation)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/FPTreeNode.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../../index-all.html"><FONT 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type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.rapidminer.operator.learner.associations.fpgrowth</FONT><BR>Class FPTreeNode</H2><PRE>java.lang.Object <IMG SRC="../../../../../../resources/inherit.gif" ALT="extended by "><B>com.rapidminer.operator.learner.associations.fpgrowth.FPTreeNode</B></PRE><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTree.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTree</A></DD></DL><HR><DL><DT><PRE>public class <B>FPTreeNode</B><DT>extends java.lang.Object</DL></PRE><P>A node in the FPTree.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: FPTreeNode.java,v 1.4 2008/05/09 19:23:19 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Sebastian Land</DD></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Field Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected java.util.Map<<A HREF="../../../../../../com/rapidminer/operator/learner/associations/Item.html" title="interface in com.rapidminer.operator.learner.associations">Item</A>,<A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A>></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#children">children</A></B></CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#father">father</A></B></CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FrequencyStack.html" title="interface in com.rapidminer.operator.learner.associations.fpgrowth">FrequencyStack</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#frequencies">frequencies</A></B></CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../../../com/rapidminer/operator/learner/associations/Item.html" title="interface in com.rapidminer.operator.learner.associations">Item</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#nodeItem">nodeItem</A></B></CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#sibling">sibling</A></B></CODE><BR> </TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#FPTreeNode()">FPTreeNode</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#FPTreeNode(com.rapidminer.operator.learner.associations.fpgrowth.FPTreeNode, com.rapidminer.operator.learner.associations.Item)">FPTreeNode</A></B>(<A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A> father, <A HREF="../../../../../../com/rapidminer/operator/learner/associations/Item.html" title="interface in com.rapidminer.operator.learner.associations">Item</A> nodeItem)</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#addItemSet(java.util.Collection, java.util.Map, int)">addItemSet</A></B>(java.util.Collection<<A HREF="../../../../../../com/rapidminer/operator/learner/associations/Item.html" title="interface in com.rapidminer.operator.learner.associations">Item</A>> itemSet, java.util.Map<<A HREF="../../../../../../com/rapidminer/operator/learner/associations/Item.html" title="interface in com.rapidminer.operator.learner.associations">Item</A>,<A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/Header.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">Header</A>> headerTable, int weight)</CODE><BR> This method only works at recursiondepth 0, therefore may only be used for tree constructing.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#createChildNode(com.rapidminer.operator.learner.associations.Item)">createChildNode</A></B>(<A HREF="../../../../../../com/rapidminer/operator/learner/associations/Item.html" title="interface in com.rapidminer.operator.learner.associations">Item</A> nodeItem)</CODE><BR> this method creates a new childnode of this node, representing the node item</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#getChild()">getChild</A></B>()</CODE><BR> This method returns the first child.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Map<<A HREF="../../../../../../com/rapidminer/operator/learner/associations/Item.html" title="interface in com.rapidminer.operator.learner.associations">Item</A>,<A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A>></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#getChildren()">getChildren</A></B>()</CODE><BR> This returns the map, which maps the child nodes on items.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html" title="class in com.rapidminer.operator.learner.associations.fpgrowth">FPTreeNode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../../com/rapidminer/operator/learner/associations/fpgrowth/FPTreeNode.html#getFather()">getFather</A></B>()</CODE><BR> Returns the father of this node or null if node is root</TD>⌨️ 快捷键说明
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