bottomupconstructor.html

数据挖掘的最常用工具。由于开源

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<A NAME="BottomUpConstructor()"><!-- --></A><H3>
BottomUpConstructor</H3>
<PRE>
public <B>BottomUpConstructor</B>()</PRE>
<DL>
<DD>Creates a new instance of BottomUpConstructor.
<P>
</DL>

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<A NAME="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD>Returns a string describing this nearest neighbour search algorithm.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a description of the algorithm for displaying in the
                        explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="getTechnicalInformation()"><!-- --></A><H3>
getTechnicalInformation</H3>
<PRE>
public <A HREF="../../../../weka/core/TechnicalInformation.html" title="class in weka.core">TechnicalInformation</A> <B>getTechnicalInformation</B>()</PRE>
<DL>
<DD>Returns an instance of a TechnicalInformation object, containing detailed
 information about the technical background of this class, e.g., paper
 reference or book this class is based on.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/TechnicalInformationHandler.html#getTechnicalInformation()">getTechnicalInformation</A></CODE> in interface <CODE><A HREF="../../../../weka/core/TechnicalInformationHandler.html" title="interface in weka.core">TechnicalInformationHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the technical information about this class</DL>
</DD>
</DL>
<HR>

<A NAME="buildTree()"><!-- --></A><H3>
buildTree</H3>
<PRE>
public <A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A> <B>buildTree</B>()
                   throws java.lang.Exception</PRE>
<DL>
<DD>Builds the ball tree bottom up.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html#buildTree()">buildTree</A></CODE> in class <CODE><A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html" title="class in weka.core.neighboursearch.balltrees">BallTreeConstructor</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The root node of the tree.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - If there is problem building
 the tree.</DL>
</DD>
</DL>
<HR>

<A NAME="addInstance(weka.core.neighboursearch.balltrees.BallNode, weka.core.Instance)"><!-- --></A><H3>
addInstance</H3>
<PRE>
public int[] <B>addInstance</B>(<A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A>&nbsp;node,
                         <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;inst)
                  throws java.lang.Exception</PRE>
<DL>
<DD>Adds an instance to the ball tree.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html#addInstance(weka.core.neighboursearch.balltrees.BallNode, weka.core.Instance)">addInstance</A></CODE> in class <CODE><A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html" title="class in weka.core.neighboursearch.balltrees">BallTreeConstructor</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node</CODE> - The root node of the tree.<DD><CODE>inst</CODE> - The instance to add to the tree.
<DT><B>Returns:</B><DD>The new master index array after adding the 
 instance.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - Always as BottomUpConstructor
 does not allow addition of instances after batch 
 construction.</DL>
</DD>
</DL>
<HR>

<A NAME="calcPivot(weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode, weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode, weka.core.Instances)"><!-- --></A><H3>
calcPivot</H3>
<PRE>
public <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> <B>calcPivot</B>(weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode&nbsp;node1,
                          weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode&nbsp;node2,
                          <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;insts)
                   throws java.lang.Exception</PRE>
<DL>
<DD>Calculates the centroid pivot of a node based on its
 two child nodes.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node1</CODE> - The first child node.<DD><CODE>node2</CODE> - The second child node.<DD><CODE>insts</CODE> - The instance on which the tree is to be
 built.
<DT><B>Returns:</B><DD>The centre/pivot of the node.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - If there is some problem calculating 
 the centre/pivot of the node.</DL>
</DD>
</DL>
<HR>

<A NAME="calcRadius(weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode, weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode)"><!-- --></A><H3>
calcRadius</H3>
<PRE>
public double <B>calcRadius</B>(weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode&nbsp;n1,
                         weka.core.neighboursearch.balltrees.BottomUpConstructor.TempNode&nbsp;n2)
                  throws java.lang.Exception</PRE>
<DL>
<DD>Calculates the radius of a node based on its two
 child nodes.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>n1</CODE> - The first child node.<DD><CODE>n2</CODE> - The second child node.
<DT><B>Returns:</B><DD>The calculated radius of the the node.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - If there is some problem 
 in calculating the radius.</DL>
</DD>
</DL>
<HR>

<A NAME="getRevision()"><!-- --></A><H3>
getRevision</H3>
<PRE>
public java.lang.String <B>getRevision</B>()</PRE>
<DL>
<DD>Returns the revision string.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../weka/core/RevisionHandler.html#getRevision()">getRevision</A></CODE> in interface <CODE><A HREF="../../../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html#getRevision()">getRevision</A></CODE> in class <CODE><A HREF="../../../../weka/core/neighboursearch/balltrees/BallTreeConstructor.html" title="class in weka.core.neighboursearch.balltrees">BallTreeConstructor</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the revision</DL>
</DD>
</DL>
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