nearestneighboursearch.html

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public abstract <A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A> <B>nearestNeighbour</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;target)
                                   throws java.lang.Exception</PRE>
<DL>
<DD>Returns the nearest instance in the current neighbourhood to the supplied
 instance.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>target</CODE> - The instance to find the nearest neighbour for.
<DT><B>Returns:</B><DD>the nearest neighbor
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the nearest neighbour could not be found.</DL>
</DD>
</DL>
<HR>

<A NAME="kNearestNeighbours(weka.core.Instance, int)"><!-- --></A><H3>
kNearestNeighbours</H3>
<PRE>
public abstract <A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>kNearestNeighbours</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;target,
                                             int&nbsp;k)
                                      throws java.lang.Exception</PRE>
<DL>
<DD>Returns k nearest instances in the current neighbourhood to the supplied
 instance.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>target</CODE> - The instance to find the k nearest neighbours for.<DD><CODE>k</CODE> - The number of nearest neighbours to find.
<DT><B>Returns:</B><DD>the k nearest neighbors
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the neighbours could not be found.</DL>
</DD>
</DL>
<HR>

<A NAME="getDistances()"><!-- --></A><H3>
getDistances</H3>
<PRE>
public abstract double[] <B>getDistances</B>()
                               throws java.lang.Exception</PRE>
<DL>
<DD>Returns the distances of the k nearest neighbours. The kNearestNeighbours
 or nearestNeighbour needs to be called first for this to work.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the distances
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if called before calling kNearestNeighbours
                or nearestNeighbours.</DL>
</DD>
</DL>
<HR>

<A NAME="update(weka.core.Instance)"><!-- --></A><H3>
update</H3>
<PRE>
public abstract void <B>update</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;ins)
                     throws java.lang.Exception</PRE>
<DL>
<DD>Updates the NearNeighbourSearch algorithm for the new added instance.
 P.S.: The method assumes the instance has already been added to the 
 m_Instances object by the caller.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ins</CODE> - the instance to add
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if updating fails</DL>
</DD>
</DL>
<HR>

<A NAME="addInstanceInfo(weka.core.Instance)"><!-- --></A><H3>
addInstanceInfo</H3>
<PRE>
public void <B>addInstanceInfo</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;ins)</PRE>
<DL>
<DD>Adds information from the given instance without modifying the 
 datastructure a lot.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>ins</CODE> - the instance to add the information from</DL>
</DD>
</DL>
<HR>

<A NAME="setInstances(weka.core.Instances)"><!-- --></A><H3>
setInstances</H3>
<PRE>
public void <B>setInstances</B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;insts)
                  throws java.lang.Exception</PRE>
<DL>
<DD>Sets the instances.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>insts</CODE> - the instances to use
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if setting fails</DL>
</DD>
</DL>
<HR>

<A NAME="getInstances()"><!-- --></A><H3>
getInstances</H3>
<PRE>
public <A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> <B>getInstances</B>()</PRE>
<DL>
<DD>returns the instances currently set.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the current instances</DL>
</DD>
</DL>
<HR>

<A NAME="getPerformanceStats()"><!-- --></A><H3>
getPerformanceStats</H3>
<PRE>
public <A HREF="../../../weka/core/neighboursearch/PerformanceStats.html" title="class in weka.core.neighboursearch">PerformanceStats</A> <B>getPerformanceStats</B>()</PRE>
<DL>
<DD>Gets the class object that contains the performance statistics of
 the search method.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the performance statistics</DL>
</DD>
</DL>
<HR>

<A NAME="enumerateMeasures()"><!-- --></A><H3>
enumerateMeasures</H3>
<PRE>
public java.util.Enumeration <B>enumerateMeasures</B>()</PRE>
<DL>
<DD>Returns an enumeration of the additional measure names.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html#enumerateMeasures()">enumerateMeasures</A></CODE> in interface <CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html" title="interface in weka.core">AdditionalMeasureProducer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an enumeration of the measure names</DL>
</DD>
</DL>
<HR>

<A NAME="getMeasure(java.lang.String)"><!-- --></A><H3>
getMeasure</H3>
<PRE>
public double <B>getMeasure</B>(java.lang.String&nbsp;additionalMeasureName)</PRE>
<DL>
<DD>Returns the value of the named measure.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html#getMeasure(java.lang.String)">getMeasure</A></CODE> in interface <CODE><A HREF="../../../weka/core/AdditionalMeasureProducer.html" title="interface in weka.core">AdditionalMeasureProducer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>additionalMeasureName</CODE> - the name of the measure to query for 
                                        its value
<DT><B>Returns:</B><DD>the value of the named measure
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if the named measure is not supported</DL>
</DD>
</DL>
<HR>

<A NAME="combSort11(double[], int[])"><!-- --></A><H3>
combSort11</H3>
<PRE>
public static void <B>combSort11</B>(double[]&nbsp;arrayToSort,
                              int[]&nbsp;linkedArray)</PRE>
<DL>
<DD>sorts the two given arrays.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arrayToSort</CODE> - The array sorting should be based on.<DD><CODE>linkedArray</CODE> - The array that should have the same ordering as 
                                arrayToSort.</DL>
</DD>
</DL>
<HR>

<A NAME="quickSort(double[], double[], int, int)"><!-- --></A><H3>
quickSort</H3>
<PRE>
public static void <B>quickSort</B>(double[]&nbsp;arrayToSort,
                             double[]&nbsp;linkedArray,
                             int&nbsp;left,
                             int&nbsp;right)</PRE>
<DL>
<DD>performs quicksort.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>arrayToSort</CODE> - the array to sort<DD><CODE>linkedArray</CODE> - the linked array<DD><CODE>left</CODE> - the first index of the subset<DD><CODE>right</CODE> - the last index of the subset</DL>
</DD>
</DL>
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