NearestNeighborClassifier.classify()

gistfile1.java

/**
 * Classify using the kNN algorithm 
 * @param item The item to classify
 * @return The predicted class of the item
 */
public double classify(T item) {
	int numItems = items.size();
	
	// calculated distances in same order as the items list
	double[] distances = new double[numItems];
	
	//calculate the distance to each instance using a single thread
	for (int i = 0; i < numItems; i++) {
		distances[i] = distanceFunction.calculateDistance(item, items.get(i));
	}
	
	//Find the k nearest items
	List<T> nearestItems = getNearestItems(distances);
	
	
	double result = averageFunction.calculateAverage(nearestItems);
	return result;
}