public class StandardDeviationCalculatorReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.DoubleWritable>
Constructor and Description |
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StandardDeviationCalculatorReducer() |
Modifier and Type | Method and Description |
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protected void |
reduce(org.apache.hadoop.io.IntWritable key,
Iterable<org.apache.hadoop.io.DoubleWritable> values,
org.apache.hadoop.mapreduce.Reducer.Context context) |
protected void reduce(org.apache.hadoop.io.IntWritable key, Iterable<org.apache.hadoop.io.DoubleWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context) throws IOException, InterruptedException
reduce
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.DoubleWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.DoubleWritable>
IOException
InterruptedException
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