/* (non-Javadoc)
* @see org.apache.hadoop.mapreduce.Reducer#reduce(KEYIN, java.lang.Iterable, org.apache.hadoop.mapreduce.Reducer.Context)
*/
protected void reduce(TextPair key, Iterable<IntWritable> values, Context context)
throws IOException, InterruptedException {
sum = count = 0;
for (IntWritable value : values) {
sum += value.get();
++count;
}
avRatingDiff = sum / count;
valueOut.set(key.toString() + fieldDelim + avRatingDiff + fieldDelim + count);
context.write(NullWritable.get(), valueOut);
}
