middleoutconstructor.html
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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 Tue Jul 15 15:48:46 NZST 2008 --><TITLE>MiddleOutConstructor</TITLE><META NAME="keywords" CONTENT="weka.core.neighboursearch.balltrees.MiddleOutConstructor class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="MiddleOutConstructor";}</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="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 CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../weka/core/neighboursearch/balltrees/MedianOfWidestDimension.html" title="class in weka.core.neighboursearch.balltrees"><B>PREV CLASS</B></A> <A HREF="../../../../weka/core/neighboursearch/balltrees/PointsClosestToFurthestChildren.html" title="class in weka.core.neighboursearch.balltrees"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?weka/core/neighboursearch/balltrees/MiddleOutConstructor.html" target="_top"><B>FRAMES</B></A> <A HREF="MiddleOutConstructor.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT 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 | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <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">weka.core.neighboursearch.balltrees</FONT><BR>Class MiddleOutConstructor</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html" title="class in weka.core.neighboursearch.balltrees">weka.core.neighboursearch.balltrees.BallTreeConstructor</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>weka.core.neighboursearch.balltrees.MiddleOutConstructor</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, <A HREF="../../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A>, <A HREF="../../../../weka/core/Randomizable.html" title="interface in weka.core">Randomizable</A>, <A HREF="../../../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A>, <A HREF="../../../../weka/core/TechnicalInformationHandler.html" title="interface in weka.core">TechnicalInformationHandler</A></DD></DL><HR><DL><DT><PRE>public class <B>MiddleOutConstructor</B><DT>extends <A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html" title="class in weka.core.neighboursearch.balltrees">BallTreeConstructor</A><DT>implements <A HREF="../../../../weka/core/Randomizable.html" title="interface in weka.core">Randomizable</A>, <A HREF="../../../../weka/core/TechnicalInformationHandler.html" title="interface in weka.core">TechnicalInformationHandler</A></DL></PRE><P><!-- globalinfo-start --> The class that builds a BallTree middle out.<br/> <br/> For more information see also:<br/> <br/> Andrew W. Moore: The Anchors Hierarchy: Using the Triangle Inequality to Survive High Dimensional Data. In: UAI '00: Proceedings of the 16th Conference on Uncertainty in Artificial Intelligence, San Francisco, CA, USA, 397-405, 2000.<br/> <br/> Ashraf Masood Kibriya (2007). Fast Algorithms for Nearest Neighbour Search. Hamilton, New Zealand. <p/> <!-- globalinfo-end --> <!-- technical-bibtex-start --> BibTeX: <pre> @inproceedings{Moore2000, address = {San Francisco, CA, USA}, author = {Andrew W. Moore}, booktitle = {UAI '00: Proceedings of the 16th Conference on Uncertainty in Artificial Intelligence}, pages = {397-405}, publisher = {Morgan Kaufmann Publishers Inc.}, title = {The Anchors Hierarchy: Using the Triangle Inequality to Survive High Dimensional Data}, year = {2000} } @mastersthesis{Kibriya2007, address = {Hamilton, New Zealand}, author = {Ashraf Masood Kibriya}, school = {Department of Computer Science, School of Computing and Mathematical Sciences, University of Waikato}, title = {Fast Algorithms for Nearest Neighbour Search}, year = {2007} } </pre> <p/> <!-- technical-bibtex-end --> <!-- options-start --> Valid options are: <p/> <pre> -S <num> The seed for the random number generator used in selecting random anchor. (default: 1)</pre> <pre> -R Use randomly chosen initial anchors.</pre> <!-- options-end --><P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.3 $</DD><DT><B>Author:</B></DT> <DD>Ashraf M. Kibriya (amk14[at-the-rate]cs[dot]waikato[dot]ac[dot]nz)</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#weka.core.neighboursearch.balltrees.MiddleOutConstructor">Serialized Form</A></DL><HR><P><!-- ======== 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="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#MiddleOutConstructor()">MiddleOutConstructor</A></B>()</CODE><BR> Creates a new instance of MiddleOutConstructor.</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> int[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#addInstance(weka.core.neighboursearch.balltrees.BallNode, weka.core.Instance)">addInstance</A></B>(<A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A> node, <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> inst)</CODE><BR> Adds an instance to the tree.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#buildTree()">buildTree</A></B>()</CODE><BR> Builds a ball tree middle out.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#calcPivot(weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList, weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList, weka.core.Instances)">calcPivot</A></B>(weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList list1, weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList list2, <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> insts)</CODE><BR> Calculates the centroid pivot of a node based on the list of points that it contains (tbe two lists of its children are provided).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#calcPivot(weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode, weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode, weka.core.Instances)">calcPivot</A></B>(weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode node1, weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode node2, <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> insts)</CODE><BR> /** Calculates the centroid pivot of a node based on its two child nodes (if merging two nodes).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#calcRadius(weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList, weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList, weka.core.Instance, weka.core.Instances)">calcRadius</A></B>(weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList list1, weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList list2, <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> pivot, <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> insts)</CODE><BR> Calculates the radius of a node based on the list of points that it contains (the two lists of its children are provided).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#calcRadius(weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode, weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode)">calcRadius</A></B>(weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode n1, weka.core.neighboursearch.balltrees.MiddleOutConstructor.TempNode n2)</CODE><BR> Calculates the radius of a node based on its two child nodes (if merging two nodes).</TD></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="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#checkIndicesList(weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList, int, int)">checkIndicesList</A></B>(weka.core.neighboursearch.balltrees.MiddleOutConstructor.MyIdxList list, int startidx, int endidx)</CODE><BR> Checks whether if the points in an index list are in some specified of the master index array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#getOptions()">getOptions</A></B>()</CODE><BR> Gets the current settings of this BallTree MiddleOutConstructor.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/core/neighboursearch/balltrees/MiddleOutConstructor.html#getRevision()">getRevision</A></B>()</CODE><BR> Returns the revision string.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD>⌨️ 快捷键说明
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