org.apache.mahout.classifier.naivebayes.trainer
Class NaiveBayesSumReducer
java.lang.Object
org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.WritableComparable<?>,VectorWritable>
org.apache.mahout.classifier.naivebayes.trainer.NaiveBayesSumReducer
public class NaiveBayesSumReducer
- extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.WritableComparable<?>,VectorWritable>
Can also be used as a local Combiner. This accumulates all the features and the weights and sums them up.
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer |
org.apache.hadoop.mapreduce.Reducer.Context |
Method Summary |
protected void |
reduce(org.apache.hadoop.io.WritableComparable<?> key,
java.lang.Iterable<VectorWritable> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
|
Methods inherited from class org.apache.hadoop.mapreduce.Reducer |
cleanup, run, setup |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
NaiveBayesSumReducer
public NaiveBayesSumReducer()
reduce
protected void reduce(org.apache.hadoop.io.WritableComparable<?> key,
java.lang.Iterable<VectorWritable> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
throws java.io.IOException,
java.lang.InterruptedException
- Overrides:
reduce
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.WritableComparable<?>,VectorWritable,org.apache.hadoop.io.WritableComparable<?>,VectorWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException
Copyright © 2008-2010 The Apache Software Foundation. All Rights Reserved.