public double getIntraClusterDistance(
DistanceMeasure measure, WhiBoCentroidClusterModel model, ExampleSet exampleSet) {
double distanceSum = 0;
int i = 0;
for (Example example : exampleSet) {
double distance =
measure.calculateDistance(
model.getCentroidCoordinates(i),
getAsDoubleArray(example, exampleSet.getAttributes()));
// da li se ovako radi za svaku meru?
distanceSum += distance * distance;
i++;
}
return distanceSum;
}
public double getMaxDistanceIndex(
DistanceMeasure measure, WhiBoCentroidClusterModel model, ExampleSet exampleSet) {
double maxDistanceSum = 0;
int maxDistanceIndex = 0;
int k = model.getNumberOfClusters();
int exampleIndex = 0;
for (Example example : exampleSet) {
double distanceSum = 0;
for (int l = 0; l < k; l++) {
distanceSum +=
measure.calculateDistance(
model.getCentroidCoordinates(l),
getAsDoubleArray(example, exampleSet.getAttributes()));
}
if (distanceSum > maxDistanceSum) {
maxDistanceSum = distanceSum;
maxDistanceIndex = exampleIndex;
}
exampleIndex++;
}
return maxDistanceIndex;
}