Advanced Data Analytics Using Python_ With Machine Learning, Deep Learning and NLP Examples ( 2023)

Chapter 7
}
Analytics at Scale
{
ArrayList<String> vals = new
ArrayList<String>();
vals.add("1");
result.put(w, vals);
}
}
return result;
@Override
HashMap<String, ArrayList<String>> reducer_task
(String key, ArrayList<String> values) {
// TODO Auto-generated method stub
HashMap<String, ArrayList<String>> result = new
HashMap<String, ArrayList<String>>();
ArrayList<String> tempres = new
ArrayList<String>();
tempres.add(values.size()+ "");
result.put(key, tempres);
return result;
}
}
Here is the MainBDAS class:
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.LongWritable;
152