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1. Set bash environment variables HADOOP_HOME=/usr/lib/hadoop, HADOOP_CONF_DIR=$HADOOP_HOME/conf
2. Go to /usr/share/doc/mahout/examples/bin and unzip cluster-reuters.sh.gz

   Code Block
   export HADOOP_HOME=/usr/lib/hadoop export HADOOP_CONF_DIR=$HADOOP_HOME/conf

3. modify the contents of cluster-reuters.sh, replace MAHOUT="../../bin/mahout" with MAHOUT="/usr/lib/mahout/bin/mahout"
4. make sure the Hadoop file system is running
5. ./cluster-reuters.sh will display a menu selection
   ubuntu@ip-10-224-109-199:/usr/share/doc/mahout/examples/bin$ ./cluster-reuters.sh
   Please select a number to choose the corresponding clustering algorithm
   1. kmeans clustering
   2. fuzzykmeans clustering
   3. lda clustering
   4. dirichlet clustering
   5. minhash clustering
   Enter your choice : 1
   ok. You chose 1 and we'll use kmeans Clustering
   creating work directory at /tmp/mahout-work-ubuntu
   Downloading Reuters-21578
   % Total % Received % Xferd Average Speed Time Time Time Current
   Dload Upload Total Spent Left Speed
   100 7959k 100 7959k 0 0 346k 0 0:00:22 0:00:22 -::- 356k
   Extracting...
   AFTER WAITING 1/2 HR...
   Inter-Cluster Density: 0.8080922658756075
   Intra-Cluster Density: 0.6978329770855537
   CDbw Inter-Cluster Density: 0.0
   CDbw Intra-Cluster Density: 89.38857003754612
   CDbw Separation: 303.4892272989769
   12/03/29 03:42:56 INFO clustering.ClusterDumper: Wrote 19 clusters
   12/03/29 03:42:56 INFO driver.MahoutDriver: Program took 261107 ms (Minutes: 4.351783333333334)

Running Whirr

Where to go from here

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