+ Dokumentation
#SPM-13: add work documentation 20m Cluster fertig
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commit
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@ -10,7 +10,7 @@ import java.util.HashMap;
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import java.util.Map;
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import java.util.Map;
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/**
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/**
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* Cluster Analysis
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* Cluster Analysis.
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*
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*
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* @author Johannes Theiner
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* @author Johannes Theiner
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* @version 0.1
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* @version 0.1
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@ -24,6 +24,11 @@ public class Cluster implements Analysis<Map<Integer, Map<String, String>>> {
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instances = load(file);
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instances = load(file);
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}
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}
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/**
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* get result of cluster analysis.
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*
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* @return Result
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*/
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@Override
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@Override
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public Map<Integer, Map<String, String>> getResult() {
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public Map<Integer, Map<String, String>> getResult() {
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if(result == null) {
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if(result == null) {
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@ -41,6 +46,7 @@ public class Cluster implements Analysis<Map<Integer, Map<String, String>>> {
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e.printStackTrace();
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e.printStackTrace();
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}
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}
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//creating a single cluster to get average, weka has no way to get that from a bigger one.
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SimpleKMeans fullMeans = new SimpleKMeans();
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SimpleKMeans fullMeans = new SimpleKMeans();
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Instances fullCentroids = null;
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Instances fullCentroids = null;
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try {
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try {
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@ -54,6 +60,7 @@ public class Cluster implements Analysis<Map<Integer, Map<String, String>>> {
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}
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}
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assert fullCentroids != null;
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assert fullCentroids != null;
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//creating real cluster
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SimpleKMeans kMeans = new SimpleKMeans();
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SimpleKMeans kMeans = new SimpleKMeans();
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try {
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try {
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kMeans.setNumClusters(5);
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kMeans.setNumClusters(5);
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@ -70,10 +77,16 @@ public class Cluster implements Analysis<Map<Integer, Map<String, String>>> {
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ex.printStackTrace();
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ex.printStackTrace();
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}
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}
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}
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}
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return result;
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return result;
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}
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}
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/**
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* puts data into map.
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*
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* @param centroids cluster analysis result
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* @param count current insert count
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* @return count increment
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*/
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private int putIntoMap(Instances centroids, int count) {
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private int putIntoMap(Instances centroids, int count) {
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for (int i = 0; i < centroids.numInstances(); i++) {
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for (int i = 0; i < centroids.numInstances(); i++) {
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Map<String, String> map = new HashMap<>();
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Map<String, String> map = new HashMap<>();
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