private void updateConfusionMatrix(
ConfusionMatrix m, Example ex, double compatDecisionThreshold, double probDecisionThreshold) {
List<Derivation> derivations = ex.getPredDerivations();
double[] probs = Derivation.getProbs(derivations, 1.0d);
for (int i = 0; i < derivations.size(); i++) {
Derivation deriv = derivations.get(i);
double gold, pred;
if (compatDecisionThreshold == -1.0d) gold = deriv.getCompatibility();
else gold = (deriv.getCompatibility() > compatDecisionThreshold) ? 1.0d : 0.0d;
if (probDecisionThreshold == -1.0d) pred = probs[i];
else pred = (probs[i] > probDecisionThreshold) ? 1.0d : 0.0d;
m.tp += gold * pred;
m.fn += gold * (1.0d - pred);
m.fp += (1.0d - gold) * pred;
m.tn += (1.0d - gold) * (1.0d - pred);
}
}
