private double[] getAllValuesAndWeights(double partialTraceWeight) {
double weightedSum = 0;
double weightedSquareSum = 0;
double weight = partialTraceWeight;
double instSize = (double) instances.size();
for (ProcessInstance pi : instances) {
double d = scale.weigh(pi);
weightedSum += d;
weightedSquareSum += d * d;
}
return new double[] {weightedSum / instSize, weightedSquareSum / instSize, weight};
}
/**
* Adds a process instance to the set represented by this contributor instance.
*
* @param instance The new process instance to be added.
*/
public void addInstance(ProcessInstance pi) {
if (!instances.contains(pi)) {
instances.add(pi);
}
}