Examples with Distributor jcog.math.Distributor used on opensource projects

Example 1 with Distributor

use of jcog.math.Distributor in project narchy by automenta.

the class DistributorTest method testDistributorProbabilities.

@Test
public void testDistributorProbabilities() {
    int levels = 20;
    Distributor d = Distributor.get(levels);
    int[] count = new int[levels];
    double total = 0;
    for (short x : d.order) {
        count[x]++;
        total++;
    }
    List<Double> probability = new ArrayList(levels);
    for (int i = 0; i < levels; i++) {
        probability.add(count[i] / total);
    }
    List<Double> probabilityActiveAdjusted = new ArrayList(levels);
    double activeIncrease = 0.009;
    double dormantDecrease = ((0.1 * levels) * activeIncrease) / ((1.0 - 0.1) * levels);
    for (int i = 0; i < levels; i++) {
        double p = count[i] / total;
        double pd = i < ((1.0 - 0.1) * levels) ? -dormantDecrease : activeIncrease;
        p += pd;
        probabilityActiveAdjusted.add(p);
    // System.out.println((i / ((double) levels)) + "\t" + p);
    }
    // System.out.println(probabilityActiveAdjusted);
    DoubleArrayList a = new DoubleArrayList(probabilityActiveAdjusted.size());
    probabilityActiveAdjusted.forEach(a::add);
    double[] aa = a.toArray();
    assertArrayEquals(new double[] { 0.0037619047619047623, 0.008523809523809524, 0.013285714285714286, 0.01804761904761905, 0.022809523809523807, 0.02757142857142857, 0.03233333333333333, 0.0370952380952381, 0.04185714285714286, 0.046619047619047616, 0.05138095238095238, 0.05614285714285714, 0.060904761904761906, 0.06566666666666666, 0.07042857142857142, 0.0751904761904762, 0.07995238095238096, 0.08471428571428571, 0.09947619047619047, 0.10423809523809523 }, aa, 0.05);
}