public void increment(double x, Object y) {
KernelRegression kreg;
double score;
// increment all categories
for (Object o : kernelRegressionMap.keySet()) {
kreg = kernelRegressionMap.get(o);
score = itemScoring.computeCategoryScore(o, y);
kreg.increment(x, score);
}
// increment item
score = itemScoring.computeItemScore(y);
expectedScore.increment(x, score);
}
