Ejemplo n.º 1
0
        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);
        }
Ejemplo n.º 2
0
        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;
        }