kdtreenode.html

数据挖掘的最常用工具。由于开源

<DL>
<DD>node number (only for debug).
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_Left"><!-- --></A><H3>
m_Left</H3>
<PRE>
public <A HREF="../../../../weka/core/neighboursearch/kdtrees/KDTreeNode.html" title="class in weka.core.neighboursearch.kdtrees">KDTreeNode</A> <B>m_Left</B></PRE>
<DL>
<DD>left subtree; contains instances with smaller or equal to split value.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_Right"><!-- --></A><H3>
m_Right</H3>
<PRE>
public <A HREF="../../../../weka/core/neighboursearch/kdtrees/KDTreeNode.html" title="class in weka.core.neighboursearch.kdtrees">KDTreeNode</A> <B>m_Right</B></PRE>
<DL>
<DD>right subtree; contains instances with larger than split value.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_SplitValue"><!-- --></A><H3>
m_SplitValue</H3>
<PRE>
public double <B>m_SplitValue</B></PRE>
<DL>
<DD>value to split on.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_SplitDim"><!-- --></A><H3>
m_SplitDim</H3>
<PRE>
public int <B>m_SplitDim</B></PRE>
<DL>
<DD>attribute to split on.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_NodeRanges"><!-- --></A><H3>
m_NodeRanges</H3>
<PRE>
public double[][] <B>m_NodeRanges</B></PRE>
<DL>
<DD>lowest and highest value and width (= high - low) for each
 dimension.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_NodesRectBounds"><!-- --></A><H3>
m_NodesRectBounds</H3>
<PRE>
public double[][] <B>m_NodesRectBounds</B></PRE>
<DL>
<DD>The lo and high bounds of the hyper rectangle described by the
 node.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_Start"><!-- --></A><H3>
m_Start</H3>
<PRE>
public int <B>m_Start</B></PRE>
<DL>
<DD>The start index of the portion of the master index array, 
 which stores the indices of the instances/points the node 
 contains.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="m_End"><!-- --></A><H3>
m_End</H3>
<PRE>
public int <B>m_End</B></PRE>
<DL>
<DD>The end index of the portion of the master index array, 
 which stores indices of the instances/points the node 
 contains.
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<A NAME="KDTreeNode()"><!-- --></A><H3>
KDTreeNode</H3>
<PRE>
public <B>KDTreeNode</B>()</PRE>
<DL>
<DD>Constructor.
<P>
</DL>
<HR>

<A NAME="KDTreeNode(int, int, int, double[][])"><!-- --></A><H3>
KDTreeNode</H3>
<PRE>
public <B>KDTreeNode</B>(int&nbsp;nodeNum,
                  int&nbsp;startidx,
                  int&nbsp;endidx,
                  double[][]&nbsp;nodeRanges)</PRE>
<DL>
<DD>Constructor.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>nodeNum</CODE> - The node number/id.<DD><CODE>startidx</CODE> - The start index of node's portion 
 in master index array.<DD><CODE>endidx</CODE> - The start index of node's portion 
 in master index array.<DD><CODE>nodeRanges</CODE> - The attribute ranges of the 
 Instances/points contained in this node.</DL>
</DL>
<HR>

<A NAME="KDTreeNode(int, int, int, double[][], double[][])"><!-- --></A><H3>
KDTreeNode</H3>
<PRE>
public <B>KDTreeNode</B>(int&nbsp;nodeNum,
                  int&nbsp;startidx,
                  int&nbsp;endidx,
                  double[][]&nbsp;nodeRanges,
                  double[][]&nbsp;rectBounds)</PRE>
<DL>
<DL>
<DT><B>Parameters:</B><DD><CODE>nodeNum</CODE> - The node number/id.<DD><CODE>startidx</CODE> - The start index of node's portion 
 in master index array.<DD><CODE>endidx</CODE> - The start index of node's portion 
 in master index array.<DD><CODE>nodeRanges</CODE> - The attribute ranges of the 
 Instances/points contained in this node.<DD><CODE>rectBounds</CODE> - The range of the rectangular 
 region in the point space that this node 
 represents (points inside this rectangular
 region can have different range).</DL>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>

<A NAME="getSplitDim()"><!-- --></A><H3>
getSplitDim</H3>
<PRE>
public int <B>getSplitDim</B>()</PRE>
<DL>
<DD>Gets the splitting dimension.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>splitting dimension</DL>
</DD>
</DL>
<HR>

<A NAME="getSplitValue()"><!-- --></A><H3>
getSplitValue</H3>
<PRE>
public double <B>getSplitValue</B>()</PRE>
<DL>
<DD>Gets the splitting value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>splitting value</DL>
</DD>
</DL>
<HR>

<A NAME="isALeaf()"><!-- --></A><H3>
isALeaf</H3>
<PRE>
public boolean <B>isALeaf</B>()</PRE>
<DL>
<DD>Checks if node is a leaf.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if it is a leaf</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 rectangular region defined 
 by this node.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The number of instances in
 this KDTreeNode.</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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