org.apache.mahout.clustering.kmeans
Class KMeansReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,ClusterObservations,org.apache.hadoop.io.Text,Cluster>
      extended by org.apache.mahout.clustering.kmeans.KMeansReducer

public class KMeansReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,ClusterObservations,org.apache.hadoop.io.Text,Cluster>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer
org.apache.hadoop.mapreduce.Reducer.Context
 
Constructor Summary
KMeansReducer()
           
 
Method Summary
protected  void reduce(org.apache.hadoop.io.Text key, Iterable<ClusterObservations> values, org.apache.hadoop.mapreduce.Reducer.Context context)
           
 void setup(Collection<Cluster> clusters, DistanceMeasure measure)
           
protected  void setup(org.apache.hadoop.mapreduce.Reducer.Context context)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Reducer
cleanup, run
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

KMeansReducer

public KMeansReducer()
Method Detail

reduce

protected void reduce(org.apache.hadoop.io.Text key,
                      Iterable<ClusterObservations> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws IOException,
                      InterruptedException
Overrides:
reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,ClusterObservations,org.apache.hadoop.io.Text,Cluster>
Throws:
IOException
InterruptedException

setup

protected void setup(org.apache.hadoop.mapreduce.Reducer.Context context)
              throws IOException,
                     InterruptedException
Overrides:
setup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,ClusterObservations,org.apache.hadoop.io.Text,Cluster>
Throws:
IOException
InterruptedException

setup

public void setup(Collection<Cluster> clusters,
                  DistanceMeasure measure)


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