use of beast.core.parameter.RealParameter in project beast2 by CompEvol.
the class BinaryCovarionModelTest method doWithEqualHFreqs.
private void doWithEqualHFreqs(String mode) {
Frequencies dummyFreqs = new Frequencies();
dummyFreqs.initByName("frequencies", "0.25 0.25 0.25 0.25", "estimate", false);
BinaryCovarion substModel;
RealParameter hfrequencies = new RealParameter(new Double[] { 0.5, 0.5 });
double d = Randomizer.nextDouble();
RealParameter vfrequencies = new RealParameter(new Double[] { d, 1.0 - d });
substModel = new BinaryCovarion();
substModel.initByName("frequencies", dummyFreqs, "hfrequencies", hfrequencies, /* [f0, f1] */
"vfrequencies", vfrequencies, /* [p0, p1] */
"alpha", "0.01", "switchRate", "0.1", "mode", mode);
double[] matrix = new double[16];
substModel.getTransitionProbabilities(null, 100, 0, 1.0, matrix);
double EPSILON = 1e-10;
assertEquals(vfrequencies.getValue(0) * hfrequencies.getValue(0), matrix[0], EPSILON);
assertEquals(vfrequencies.getValue(1) * hfrequencies.getValue(0), matrix[1], EPSILON);
assertEquals(vfrequencies.getValue(0) * hfrequencies.getValue(1), matrix[2], EPSILON);
assertEquals(vfrequencies.getValue(1) * hfrequencies.getValue(1), matrix[3], EPSILON);
}
use of beast.core.parameter.RealParameter in project beast2 by CompEvol.
the class BinaryCovarionModelTest method doWithTufflySteel.
private void doWithTufflySteel() {
Frequencies dummyFreqs = new Frequencies();
dummyFreqs.initByName("frequencies", "0.25 0.25 0.25 0.25", "estimate", false);
BinaryCovarion substModel;
double d = 0.05 + Randomizer.nextDouble() * 0.9;
RealParameter vfrequencies = new RealParameter(new Double[] { d, 1.0 - d });
RealParameter switchrate = new RealParameter(new Double[] { Randomizer.nextDouble(), Randomizer.nextDouble() });
substModel = new BinaryCovarion();
substModel.initByName("frequencies", dummyFreqs, "vfrequencies", vfrequencies, /* [p0, p1] */
"alpha", "0.01", "switchRate", switchrate, // "eigenSystem", "beast.evolution.substitutionmodel.RobustEigenSystem",
"mode", "TUFFLEYSTEEL");
double[] matrix = new double[16];
substModel.getTransitionProbabilities(null, 1000, 0, 1.0, matrix);
double h0 = switchrate.getValue(1) / (switchrate.getValue(0) + switchrate.getValue(1));
double h1 = switchrate.getValue(0) / (switchrate.getValue(0) + switchrate.getValue(1));
double[] baseFreqs = new double[] { vfrequencies.getValue(0) * h0, vfrequencies.getValue(1) * h0, vfrequencies.getValue(0) * h1, vfrequencies.getValue(1) * h1 };
System.err.println("Expected: " + Arrays.toString(baseFreqs));
System.err.println("Calculat: " + Arrays.toString(matrix));
for (int j = 0; j < 4; j++) {
assertEquals(baseFreqs[j], matrix[j], 1e-3);
}
}
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