ballnode.html

来自「数据挖掘的最常用工具。由于开源」· HTML 代码 · 共 928 行 · 第 1/3 页

<A NAME="getPivot()"><!-- --></A><H3>
getPivot</H3>
<PRE>
public <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> <B>getPivot</B>()</PRE>
<DL>
<DD>Returns the pivot/centre of the
 node's ball.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The ball pivot/centre.</DL>
</DD>
</DL>
<HR>

<A NAME="setRadius(double)"><!-- --></A><H3>
setRadius</H3>
<PRE>
public void <B>setRadius</B>(double&nbsp;radius)</PRE>
<DL>
<DD>Sets the radius of the node's 
 ball.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>radius</CODE> - The radius of the nodes ball.</DL>
</DD>
</DL>
<HR>

<A NAME="getRadius()"><!-- --></A><H3>
getRadius</H3>
<PRE>
public double <B>getRadius</B>()</PRE>
<DL>
<DD>Returns the radius of the node's ball.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>Radius of node's ball.</DL>
</DD>
</DL>
<HR>

<A NAME="numInstances()"><!-- --></A><H3>
numInstances</H3>
<PRE>
public int <B>numInstances</B>()</PRE>
<DL>
<DD>Returns the number of instances in the
 hyper-spherical region of this node.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The number of instances in the
 node.</DL>
</DD>
</DL>
<HR>

<A NAME="calcCentroidPivot(int[], weka.core.Instances)"><!-- --></A><H3>
calcCentroidPivot</H3>
<PRE>
public static <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> <B>calcCentroidPivot</B>(int[]&nbsp;instList,
                                         <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;insts)</PRE>
<DL>
<DD>Calculates the centroid pivot of a node. The node is given
 in the form of an indices array that contains the 
 indices of the points inside the node.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instList</CODE> - The indices array pointing to the 
 instances in the node.<DD><CODE>insts</CODE> - The actual instances. The instList
 points to instances in this object.
<DT><B>Returns:</B><DD>The calculated centre/pivot of the node.</DL>
</DD>
</DL>
<HR>

<A NAME="calcCentroidPivot(int, int, int[], weka.core.Instances)"><!-- --></A><H3>
calcCentroidPivot</H3>
<PRE>
public static <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> <B>calcCentroidPivot</B>(int&nbsp;start,
                                         int&nbsp;end,
                                         int[]&nbsp;instList,
                                         <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;insts)</PRE>
<DL>
<DD>Calculates the centroid pivot of a node. The node is given
 in the form of the portion of an indices array that 
 contains the indices of the points inside the node.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>start</CODE> - The start index marking the start of 
 the portion belonging to the node.<DD><CODE>end</CODE> - The end index marking the end of the
 portion in the indices array that belongs to the node.<DD><CODE>instList</CODE> - The indices array pointing to the 
 instances in the node.<DD><CODE>insts</CODE> - The actual instances. The instList
 points to instances in this object.
<DT><B>Returns:</B><DD>The calculated centre/pivot of the node.</DL>
</DD>
</DL>
<HR>

<A NAME="calcRadius(int[], weka.core.Instances, weka.core.Instance, weka.core.DistanceFunction)"><!-- --></A><H3>
calcRadius</H3>
<PRE>
public static double <B>calcRadius</B>(int[]&nbsp;instList,
                                <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;insts,
                                <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;pivot,
                                <A HREF="../../../../weka/core/DistanceFunction.html" title="interface in weka.core">DistanceFunction</A>&nbsp;distanceFunction)
                         throws java.lang.Exception</PRE>
<DL>
<DD>Calculates the radius of node.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>instList</CODE> - The indices array containing the indices of the 
 instances inside the node.<DD><CODE>insts</CODE> - The actual instances object. instList points to 
 instances in this object.<DD><CODE>pivot</CODE> - The centre/pivot of the node.<DD><CODE>distanceFunction</CODE> - The distance fuction to use to calculate 
 the radius.
<DT><B>Returns:</B><DD>The radius of 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="calcRadius(int, int, int[], weka.core.Instances, weka.core.Instance, weka.core.DistanceFunction)"><!-- --></A><H3>
calcRadius</H3>
<PRE>
public static double <B>calcRadius</B>(int&nbsp;start,
                                int&nbsp;end,
                                int[]&nbsp;instList,
                                <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;insts,
                                <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;pivot,
                                <A HREF="../../../../weka/core/DistanceFunction.html" title="interface in weka.core">DistanceFunction</A>&nbsp;distanceFunction)
                         throws java.lang.Exception</PRE>
<DL>
<DD>Calculates the radius of a node.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>start</CODE> - The start index of the portion in indices array 
 that belongs to the node.<DD><CODE>end</CODE> - The end index of the portion in indices array 
 that belongs to the node.<DD><CODE>instList</CODE> - The indices array holding indices of 
 instances.<DD><CODE>insts</CODE> - The actual instances. instList points to 
 instances in this object.<DD><CODE>pivot</CODE> - The centre/pivot of the node.<DD><CODE>distanceFunction</CODE> - The distance function to use to 
 calculate the radius.
<DT><B>Returns:</B><DD>The radius of the node.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - If there is some problem calculating the 
 radius.</DL>
</DD>
</DL>
<HR>

<A NAME="calcPivot(weka.core.neighboursearch.balltrees.BallNode, weka.core.neighboursearch.balltrees.BallNode, weka.core.Instances)"><!-- --></A><H3>
calcPivot</H3>
<PRE>
public static <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> <B>calcPivot</B>(<A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A>&nbsp;child1,
                                 <A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A>&nbsp;child2,
                                 <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 (if merging two nodes).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>child1</CODE> - The first child of the node.<DD><CODE>child2</CODE> - The second child of the node.<DD><CODE>insts</CODE> - The set of instances on which 
 the tree is (or 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 pivot.</DL>
</DD>
</DL>
<HR>

<A NAME="calcRadius(weka.core.neighboursearch.balltrees.BallNode, weka.core.neighboursearch.balltrees.BallNode, weka.core.Instance, weka.core.DistanceFunction)"><!-- --></A><H3>
calcRadius</H3>
<PRE>
public static double <B>calcRadius</B>(<A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A>&nbsp;child1,
                                <A HREF="../../../../weka/core/neighboursearch/balltrees/BallNode.html" title="class in weka.core.neighboursearch.balltrees">BallNode</A>&nbsp;child2,
                                <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;pivot,
                                <A HREF="../../../../weka/core/DistanceFunction.html" title="interface in weka.core">DistanceFunction</A>&nbsp;distanceFunction)
                         throws java.lang.Exception</PRE>
<DL>
<DD>Calculates the radius of a node based on its two 
 child nodes (if merging two nodes).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>child1</CODE> - The first child of the node.<DD><CODE>child2</CODE> - The second child of the node.<DD><CODE>pivot</CODE> - The centre/pivot of the node.<DD><CODE>distanceFunction</CODE> - The distance function to 
 use to calculate the radius
<DT><B>Returns:</B><DD>The radius of 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></DL>
</DD>
<DD><DL>

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