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java.lang.Objectorg.apache.hadoop.mapred.MapReduceBase
org.apache.mahout.cf.taste.hadoop.slopeone.SlopeOnePrefsToDiffsReducer
public final class SlopeOnePrefsToDiffsReducer
Constructor Summary | |
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SlopeOnePrefsToDiffsReducer()
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Method Summary | |
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void |
reduce(org.apache.hadoop.io.LongWritable key,
java.util.Iterator<ItemPrefWritable> values,
org.apache.hadoop.mapred.OutputCollector<ItemItemWritable,org.apache.hadoop.io.FloatWritable> output,
org.apache.hadoop.mapred.Reporter reporter)
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Methods inherited from class org.apache.hadoop.mapred.MapReduceBase |
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close, configure |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable |
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configure |
Methods inherited from interface java.io.Closeable |
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close |
Constructor Detail |
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public SlopeOnePrefsToDiffsReducer()
Method Detail |
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public void reduce(org.apache.hadoop.io.LongWritable key, java.util.Iterator<ItemPrefWritable> values, org.apache.hadoop.mapred.OutputCollector<ItemItemWritable,org.apache.hadoop.io.FloatWritable> output, org.apache.hadoop.mapred.Reporter reporter) throws java.io.IOException
reduce
in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.io.LongWritable,ItemPrefWritable,ItemItemWritable,org.apache.hadoop.io.FloatWritable>
java.io.IOException
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