use of dr.evomodel.speciation.SpeciationModel in project beast-mcmc by beast-dev.
the class MulSpeciesTreePriorParser method parseXMLObject.
@Override
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
final XMLObject mxo = xo.getChild(MODEL);
final SpeciationModel sppm = (SpeciationModel) mxo.getChild(SpeciationModel.class);
final XMLObject mulsptxo = xo.getChild(MUL_SPECIES_TREE);
final MulSpeciesTreeModel mulspt = (MulSpeciesTreeModel) mulsptxo.getChild(MulSpeciesTreeModel.class);
return new MulSpeciesTreePrior(sppm, mulspt);
}
use of dr.evomodel.speciation.SpeciationModel in project beast-mcmc by beast-dev.
the class SpeciationLikelihoodParser method parseXMLObject.
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
XMLObject cxo = xo.getChild(MODEL);
final SpeciationModel specModel = (SpeciationModel) cxo.getChild(SpeciationModel.class);
cxo = xo.getChild(TREE);
final Tree tree = (Tree) cxo.getChild(Tree.class);
Set<Taxon> excludeTaxa = null;
if (xo.hasChildNamed(INCLUDE)) {
excludeTaxa = new HashSet<Taxon>();
for (int i = 0; i < tree.getTaxonCount(); i++) {
excludeTaxa.add(tree.getTaxon(i));
}
cxo = xo.getChild(INCLUDE);
for (int i = 0; i < cxo.getChildCount(); i++) {
TaxonList taxonList = (TaxonList) cxo.getChild(i);
for (int j = 0; j < taxonList.getTaxonCount(); j++) {
excludeTaxa.remove(taxonList.getTaxon(j));
}
}
}
if (xo.hasChildNamed(EXCLUDE)) {
excludeTaxa = new HashSet<Taxon>();
cxo = xo.getChild(EXCLUDE);
for (int i = 0; i < cxo.getChildCount(); i++) {
TaxonList taxonList = (TaxonList) cxo.getChild(i);
for (int j = 0; j < taxonList.getTaxonCount(); j++) {
excludeTaxa.add(taxonList.getTaxon(j));
}
}
}
if (excludeTaxa != null) {
Logger.getLogger("dr.evomodel").info("Speciation model excluding " + excludeTaxa.size() + " taxa from prior - " + (tree.getTaxonCount() - excludeTaxa.size()) + " taxa remaining.");
}
final XMLObject cal = xo.getChild(CALIBRATION);
if (cal != null) {
if (excludeTaxa != null) {
throw new XMLParseException("Sorry, not implemented: internal calibration prior + excluded taxa");
}
List<Distribution> dists = new ArrayList<Distribution>();
List<Taxa> taxa = new ArrayList<Taxa>();
List<Boolean> forParent = new ArrayList<Boolean>();
// (Statistic) cal.getChild(Statistic.class);
Statistic userPDF = null;
for (int k = 0; k < cal.getChildCount(); ++k) {
final Object ck = cal.getChild(k);
if (DistributionLikelihood.class.isInstance(ck)) {
dists.add(((DistributionLikelihood) ck).getDistribution());
} else if (Distribution.class.isInstance(ck)) {
dists.add((Distribution) ck);
} else if (Taxa.class.isInstance(ck)) {
final Taxa tx = (Taxa) ck;
taxa.add(tx);
forParent.add(tx.getTaxonCount() == 1);
} else if (Statistic.class.isInstance(ck)) {
if (userPDF != null) {
throw new XMLParseException("more than one userPDF correction???");
}
userPDF = (Statistic) cal.getChild(Statistic.class);
} else {
XMLObject cko = (XMLObject) ck;
assert cko.getChildCount() == 2;
for (int i = 0; i < 2; ++i) {
final Object chi = cko.getChild(i);
if (DistributionLikelihood.class.isInstance(chi)) {
dists.add(((DistributionLikelihood) chi).getDistribution());
} else if (Distribution.class.isInstance(chi)) {
dists.add((Distribution) chi);
} else if (Taxa.class.isInstance(chi)) {
taxa.add((Taxa) chi);
boolean fp = ((Taxa) chi).getTaxonCount() == 1;
if (cko.hasAttribute(PARENT)) {
boolean ufp = cko.getBooleanAttribute(PARENT);
if (fp && !ufp) {
throw new XMLParseException("forParent==false for a single taxon?? (must be true)");
}
fp = ufp;
}
forParent.add(fp);
} else {
assert false;
}
}
}
}
if (dists.size() != taxa.size()) {
throw new XMLParseException("Mismatch in number of distributions and taxa specs");
}
try {
final String correction = cal.getAttribute(CORRECTION, EXACT);
final CalibrationPoints.CorrectionType type = correction.equals(EXACT) ? CalibrationPoints.CorrectionType.EXACT : (correction.equals(APPROX) ? CalibrationPoints.CorrectionType.APPROXIMATED : (correction.equals(NONE) ? CalibrationPoints.CorrectionType.NONE : (correction.equals(PEXACT) ? CalibrationPoints.CorrectionType.PEXACT : null)));
if (cal.hasAttribute(CORRECTION) && type == null) {
throw new XMLParseException("correction type == " + correction + "???");
}
final CalibrationPoints calib = new CalibrationPoints(tree, specModel.isYule(), dists, taxa, forParent, userPDF, type);
final SpeciationLikelihood speciationLikelihood = new SpeciationLikelihood(tree, specModel, null, calib);
return speciationLikelihood;
} catch (IllegalArgumentException e) {
throw new XMLParseException(e.getMessage());
}
}
return new SpeciationLikelihood(tree, specModel, excludeTaxa, null);
}
use of dr.evomodel.speciation.SpeciationModel in project beast-mcmc by beast-dev.
the class TestCalibratedYuleModel method yuleTester.
private void yuleTester(TreeModel treeModel, OperatorSchedule schedule, Parameter brParameter, double S, int chainLength) throws IOException, TreeUtils.MissingTaxonException {
MCMC mcmc = new MCMC("mcmc1");
MCMCOptions options = new MCMCOptions(chainLength);
TreeLengthStatistic tls = new TreeLengthStatistic(TL, treeModel);
TreeHeightStatistic rootHeight = new TreeHeightStatistic(TREE_HEIGHT, treeModel);
SpeciationModel speciationModel = new BirthDeathGernhard08Model("yule", brParameter, null, null, BirthDeathGernhard08Model.TreeType.UNSCALED, Units.Type.SUBSTITUTIONS, false);
Likelihood speciationLikelihood = new SpeciationLikelihood(treeModel, speciationModel, "yule.like");
Taxa halfTaxa = new Taxa();
for (int i = 0; i < taxa.getTaxonCount() / 2; i++) {
halfTaxa.addTaxon(new Taxon("T" + Integer.toString(i)));
}
TMRCAStatistic tmrca = new TMRCAStatistic("tmrca(halfTaxa)", treeModel, halfTaxa, false, false);
DistributionLikelihood logNormalLikelihood = new DistributionLikelihood(new LogNormalDistribution(M, S), // meanInRealSpace="false"
0);
logNormalLikelihood.addData(tmrca);
MonophylyStatistic monophylyStatistic = new MonophylyStatistic("monophyly(halfTaxa)", treeModel, halfTaxa, null);
BooleanLikelihood booleanLikelihood = new BooleanLikelihood();
booleanLikelihood.addData(monophylyStatistic);
//CompoundLikelihood
List<Likelihood> likelihoods = new ArrayList<Likelihood>();
likelihoods.add(speciationLikelihood);
likelihoods.add(logNormalLikelihood);
likelihoods.add(booleanLikelihood);
Likelihood prior = new CompoundLikelihood(0, likelihoods);
prior.setId(CompoundLikelihoodParser.PRIOR);
ArrayLogFormatter logformatter = new ArrayLogFormatter(false);
MCLogger[] loggers = new MCLogger[1];
loggers[0] = new MCLogger(logformatter, (int) (options.getChainLength() / 10000), false);
loggers[0].add(speciationLikelihood);
loggers[0].add(rootHeight);
loggers[0].add(tmrca);
loggers[0].add(tls);
loggers[0].add(brParameter);
mcmc.setShowOperatorAnalysis(false);
mcmc.init(options, prior, schedule, loggers);
mcmc.run();
List<Trace> traces = logformatter.getTraces();
ArrayTraceList traceList = new ArrayTraceList("yuleModelTest", traces, 1000);
for (int i = 1; i < traces.size(); i++) {
traceList.analyseTrace(i);
}
NumberFormatter formatter = new NumberFormatter(8);
TraceCorrelation tlStats = traceList.getCorrelationStatistics(traceList.getTraceIndex(TL));
TraceCorrelation treeHeightStats = traceList.getCorrelationStatistics(traceList.getTraceIndex("tmrca(halfTaxa)"));
// out.write("tmrcaHeight = \t");
out.write(formatter.format(treeHeightStats.getMean()));
out.write("\t");
double expectedNodeHeight = Math.pow(Math.E, (M + (Math.pow(S, 2) / 2)));
// out.write("expectation = \t");
out.write(formatter.format(expectedNodeHeight));
out.write("\t");
double error = Math.abs((treeHeightStats.getMean() - expectedNodeHeight) / expectedNodeHeight);
NumberFormat percentFormatter = NumberFormat.getNumberInstance();
percentFormatter.setMinimumFractionDigits(5);
percentFormatter.setMinimumFractionDigits(5);
// out.write("error = \t");
out.write(percentFormatter.format(error));
out.write("\t");
// out.write("tl.ess = \t");
out.write(Double.toString(tlStats.getESS()));
System.out.println("tmrcaHeight = " + formatter.format(treeHeightStats.getMean()) + "; expectation = " + formatter.format(expectedNodeHeight) + "; error = " + percentFormatter.format(error) + "; tl.ess = " + tlStats.getESS());
}
use of dr.evomodel.speciation.SpeciationModel in project beast-mcmc by beast-dev.
the class BirthDeathSSLikelihoodTest method testBirthDeathLikelihoodBEAST2.
public void testBirthDeathLikelihoodBEAST2() {
System.out.println("RootHeight = " + tree2.getRootHeight());
Variable<Double> origin = new Variable.D("origin", 6.0);
final double birthRate = 2.0;
final double deathRate = 1.0;
// rate of sampling taxa through time
final double psiRate = 0.5;
// the proportion of taxa sampled, default to fix to 0
final double sampleProbability = 0.0;
final boolean hasFinalSample = false;
Variable<Double> b = new Variable.D("b", birthRate);
Variable<Double> d = new Variable.D("d", deathRate);
Variable<Double> psi = new Variable.D("psi", psiRate);
Variable<Double> p = new Variable.D("p", sampleProbability);
// sampleBecomesNonInfectiousProb
Variable<Double> r = new Variable.D("r", 0.0);
SpeciationModel speciationModel = new BirthDeathSerialSamplingModel(b, d, psi, p, false, r, hasFinalSample, origin, Units.Type.YEARS);
Likelihood likelihood = new SpeciationLikelihood(tree2, speciationModel, "bdss.like");
assertEquals(-19.0198, likelihood.getLogLikelihood(), 1e-5);
}
use of dr.evomodel.speciation.SpeciationModel in project beast-mcmc by beast-dev.
the class YuleLikelihoodTest method yuleLikelihoodTester.
private void yuleLikelihoodTester(Tree tree, double birthRate, double logL) {
Parameter b = new Parameter.Default("b", birthRate, 0.0, Double.MAX_VALUE);
Parameter d = new Parameter.Default("d", 0.0, 0.0, Double.MAX_VALUE);
SpeciationModel speciationModel = new BirthDeathGernhard08Model(b, d, null, BirthDeathGernhard08Model.TreeType.TIMESONLY, Units.Type.YEARS);
Likelihood likelihood = new SpeciationLikelihood(tree, speciationModel, "yule.like");
assertEquals(likelihood.getLogLikelihood(), logL);
}
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