use of org.broadinstitute.hellbender.tools.exome.germlinehmm.CopyNumberTriState in project gatk by broadinstitute.
the class XHMMModelUnitTest method testLogPrior.
//the prior should be the infinite distance limit of the transition matrix
@Test(dataProvider = "testData", dependsOnMethods = "testInstantiation")
public void testLogPrior(final double eventStartProbability, final double meanEventSize, final double deletionMean, final double duplicationMean) {
final XHMMModel model = new XHMMModel(eventStartProbability, meanEventSize, deletionMean, duplicationMean);
final Target target = new Target("NAME");
final CopyNumberTriStateTransitionProbabilityCache logTransitionProbabilityCache = new CopyNumberTriStateTransitionProbabilityCache(meanEventSize, eventStartProbability);
for (final CopyNumberTriState state : CopyNumberTriState.values()) {
Assert.assertEquals(model.logPriorProbability(state, target), logTransitionProbabilityCache.logProbability(Integer.MAX_VALUE, state, CopyNumberTriState.NEUTRAL), 1e-10);
}
}
use of org.broadinstitute.hellbender.tools.exome.germlinehmm.CopyNumberTriState in project gatk by broadinstitute.
the class XHMMModelUnitTest method assertTransitionProbabilities.
// CopyNumberTriStateTransitionProbabilityCache is thoroughly tested.
// Here we simply test that it is invoked properly
private void assertTransitionProbabilities(double eventStartProbability, double meanEventSize, XHMMModel model, Target fromTarget, Target toTarget) {
final CopyNumberTriStateTransitionProbabilityCache logTransitionProbabilityCache = new CopyNumberTriStateTransitionProbabilityCache(meanEventSize, eventStartProbability);
final double distance = XHMMModel.calculateDistance(fromTarget, toTarget);
for (final CopyNumberTriState from : CopyNumberTriState.values()) {
for (final CopyNumberTriState to : CopyNumberTriState.values()) {
Assert.assertEquals(model.logTransitionProbability(from, fromTarget, to, toTarget), logTransitionProbabilityCache.logProbability((int) distance, to, from), EPSILON);
}
}
}
use of org.broadinstitute.hellbender.tools.exome.germlinehmm.CopyNumberTriState in project gatk by broadinstitute.
the class ConvertGSVariantsToSegmentsIntegrationTest method composeExpectedSegments.
private List<HiddenStateSegmentRecord<CopyNumberTriState, Target>> composeExpectedSegments(final File vcf, final TargetCollection<Target> targets) throws IOException {
final VCFFileReader reader = new VCFFileReader(vcf, false);
final List<HiddenStateSegmentRecord<CopyNumberTriState, Target>> result = new ArrayList<>();
reader.iterator().forEachRemaining(vc -> {
final int targetCount = targets.indexRange(vc).size();
for (final Genotype genotype : vc.getGenotypes()) {
final int cn = Integer.parseInt(genotype.getExtendedAttribute("CN").toString());
final double[] cnp = Stream.of(genotype.getExtendedAttribute("CNP").toString().replaceAll("\\[\\]", "").split(",")).mapToDouble(Double::parseDouble).toArray();
final double cnpSum = MathUtils.approximateLog10SumLog10(cnp);
final CopyNumberTriState call = expectedCall(cn);
final double exactLog10Prob = expectedExactLog10(call, cnp);
final HiddenStateSegment<CopyNumberTriState, Target> expectedSegment = new HiddenStateSegment<>(new SimpleInterval(vc), targetCount, Double.parseDouble(genotype.getExtendedAttribute("CNF").toString()), 0.000, call, -10.0 * exactLog10Prob, Double.NaN, Double.NaN, Double.NaN, -10.0 * (cnp[ConvertGSVariantsToSegments.NEUTRAL_COPY_NUMBER_DEFAULT] - cnpSum));
result.add(new HiddenStateSegmentRecord<>(genotype.getSampleName(), expectedSegment));
}
});
return result;
}
use of org.broadinstitute.hellbender.tools.exome.germlinehmm.CopyNumberTriState in project gatk-protected by broadinstitute.
the class CopyNumberTriStateUnitTest method testAlleleListsLogic.
@Test
public void testAlleleListsLogic() {
Assert.assertEquals(CopyNumberTriState.ALL_ALLELES.size(), CopyNumberTriState.values().length);
Assert.assertEquals(CopyNumberTriState.ALL_ALLELES.subList(1, CopyNumberTriState.ALL_ALLELES.size()), CopyNumberTriState.ALTERNATIVE_ALLELES);
Assert.assertFalse(CopyNumberTriState.ALTERNATIVE_ALLELES.stream().anyMatch(Allele::isReference));
Assert.assertTrue(CopyNumberTriState.ALL_ALLELES.get(0).isReference());
Assert.assertEquals(CopyNumberTriState.ALL_ALLELES.get(0), CopyNumberTriState.NEUTRAL.allele);
final List<Allele> expectedOrder = new ArrayList<>();
for (final CopyNumberTriState state : CopyNumberTriState.values()) {
if (state == CopyNumberTriState.NEUTRAL) {
continue;
}
expectedOrder.add(state.allele);
}
Assert.assertEquals(CopyNumberTriState.ALTERNATIVE_ALLELES, expectedOrder);
}
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