How to get Radius and Centers after KMeans algo

[Aleksander Sadecki]

Hi,

I would like to get info about RADIUS and CENTERS for each my cluster. Could 
you tell me how I can do it?

I have got this piece of code and I would like to do it in the WHILE loop in 
the end.

Thank you in advance

        public static Map<String, ClusterPack> calculate(int numbOfClusters,
                        String filename, List<String> headers) throws 
IOException,
                        InterruptedException, ClassNotFoundException {

                Map<String, ClusterPack> toReturn = new HashMap<String, 
ClusterPack>();

                int k = numbOfClusters;

                List<Vector> vectors = getPointsFromFile(filename);

                File testData = new File("testdata");

                if (!testData.exists()) {
                        testData.mkdir();
                }

                testData = new File("testdata/points");

                if (!testData.exists()) {
                        testData.mkdir();
                }

                Configuration conf = new Configuration();
                FileSystem fs = FileSystem.get(conf);
                ClusterHelper.writePointsToFile(vectors, conf, new Path(
                                "testdata/points/file1"));

                Path path = new Path("testdata/clusters/part-00000");
                SequenceFile.Writer writer = new SequenceFile.Writer(fs, conf, 
path,
                                Text.class, Kluster.class);

                for (int i = 0; i < k; i++) {
                        Vector vec = vectors.get(i);
                        Kluster cluster = new Kluster(vec, i,
                                        new EuclideanDistanceMeasure());
                        writer.append(new Text(cluster.getIdentifier()), 
cluster);
                }
                writer.close();

                Path output = new Path("output");
                HadoopUtil.delete(conf, output);

                KMeansDriver.run(conf, new Path("testdata/points"), new Path(
                                "testdata/clusters"), output, 0.001, 10, true, 
0.0, false);

                SequenceFile.Reader reader = new SequenceFile.Reader(fs, new 
Path(
                                "output/" + Kluster.CLUSTERED_POINTS_DIR + 
"/part-m-00000"),
                                conf);

                IntWritable key = new IntWritable();
                WeightedVectorWritable value = new 
WeightedPropertyVectorWritable();

                while (reader.next(key, value)) {
                    // ADD SOMETHING HERE !!!
                }