public HashMap<String, Integer> getPartialFrequenzies(
			HashMap<String, String> partialDecitions) {
		HashMap<String, Integer> result = new HashMap<String, Integer>();
		for (String key : frequenzy.keySet()) {
			result.put(key, 0);
		}
		for (HashMap<String, String> row : rows) {
			if (includes(row, partialDecitions)) {
				String goal = row.get(goalAttribute);
				Integer i = result.get(goal);
				i++;
				result.put(goal, i);
			}
		}

		return result;
	}