public static double[] ask(Query q, ProbabilityDistribution pd)
{
double[] probDist = new double[2];
Dictionary<String, bool> h = q.getEvidenceVariables();
// true probability
h[q.getQueryVariable()] = true;
probDist[0] = pd.probabilityOf(h);
// false probability
h[q.getQueryVariable()] = false;
probDist[1] = pd.probabilityOf(h);
return Util.normalize(probDist);
}
public static double[] ask(Query q, BayesNet net)
{
Dictionary<String, bool> evidenceVariables = q.getEvidenceVariables();
double[] probDist = new double[2];
// true probability
evidenceVariables[q.getQueryVariable()] = true;
probDist[0] = enumerateAll(net, net.getVariables(), evidenceVariables);
// false probability
evidenceVariables[q.getQueryVariable()] = false;
probDist[1] = enumerateAll(net, net.getVariables(), evidenceVariables);
// System.Console.WriteLine( probDist[0] + " " + probDist[1]);
// return probDist;
double[] normalized = Util.normalize(probDist);
// System.Console.WriteLine( normalized[0] + " " + normalized[1]);
return normalized;
}