org.apache.mahout.classifier.bayes.mapreduce.common
Class BayesFeatureCombiner
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.mahout.classifier.bayes.mapreduce.common.BayesFeatureCombiner
- 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 BayesFeatureCombiner
- 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
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 |
BayesFeatureCombiner
public BayesFeatureCombiner()
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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