org.apache.mahout.classifier.bayes.mapreduce.bayes
Class BayesClassifierReducer

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by org.apache.mahout.classifier.bayes.mapreduce.bayes.BayesClassifierReducer
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<StringTuple,org.apache.hadoop.io.DoubleWritable,StringTuple,org.apache.hadoop.io.DoubleWritable>

public class BayesClassifierReducer
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Reducer<StringTuple,org.apache.hadoop.io.DoubleWritable,StringTuple,org.apache.hadoop.io.DoubleWritable>

Can also be used as a local Combiner. A simple summing reducer


Constructor Summary
BayesClassifierReducer()
           
 
Method Summary
 void reduce(StringTuple key, java.util.Iterator<org.apache.hadoop.io.DoubleWritable> values, org.apache.hadoop.mapred.OutputCollector<StringTuple,org.apache.hadoop.io.DoubleWritable> output, org.apache.hadoop.mapred.Reporter reporter)
           
 
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase
close, configure
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable
configure
 
Methods inherited from interface java.io.Closeable
close
 

Constructor Detail

BayesClassifierReducer

public BayesClassifierReducer()
Method Detail

reduce

public void reduce(StringTuple key,
                   java.util.Iterator<org.apache.hadoop.io.DoubleWritable> values,
                   org.apache.hadoop.mapred.OutputCollector<StringTuple,org.apache.hadoop.io.DoubleWritable> output,
                   org.apache.hadoop.mapred.Reporter reporter)
            throws java.io.IOException
Specified by:
reduce in interface org.apache.hadoop.mapred.Reducer<StringTuple,org.apache.hadoop.io.DoubleWritable,StringTuple,org.apache.hadoop.io.DoubleWritable>
Throws:
java.io.IOException


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