public static class MatrixColumnMeansJob.MatrixColumnMeansReducer extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.NullWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Constructor and Description |
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MatrixColumnMeansReducer() |
Modifier and Type | Method and Description |
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void |
reduce(org.apache.hadoop.io.NullWritable n,
Iterable<VectorWritable> vectors,
org.apache.hadoop.mapreduce.Reducer.Context context) |
void |
setup(org.apache.hadoop.mapreduce.Reducer.Context context) |
public void setup(org.apache.hadoop.mapreduce.Reducer.Context context)
setup
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.NullWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
public void reduce(org.apache.hadoop.io.NullWritable n, Iterable<VectorWritable> vectors, org.apache.hadoop.mapreduce.Reducer.Context context) throws IOException, InterruptedException
reduce
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.NullWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
IOException
InterruptedException
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