use of dr.evolution.util.Taxon in project beast-mcmc by beast-dev.
the class DateGuesser method guessDates.
public void guessDates(List<Taxon> taxonList, Map<Taxon, String> taxonDateMap) {
dateFormat = new SimpleDateFormat(calendarDateFormat);
dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
for (int i = 0; i < taxonList.size(); i++) {
Taxon taxon = taxonList.get(i);
// Allocates a Date object and initializes it to represent the specified number of milliseconds since the
// standard base time known as "the epoch", namely January 1, 1970, 00:00:00 GMT
java.util.Date origin = new java.util.Date(0);
double[] values = new double[2];
try {
if (taxonDateMap != null) {
String dateString = taxonDateMap.get(taxon);
parseDate(taxon.getId(), dateString, values);
} else {
switch(guessType) {
case ORDER:
guessDateFromOrder(taxonList.get(i).getId(), order, fromLast, values);
break;
case PREFIX:
guessDateFromPrefix(taxonList.get(i).getId(), prefix, order, fromLast, values);
break;
case REGEX:
guessDateFromRegex(taxonList.get(i).getId(), regex, values);
break;
default:
throw new IllegalArgumentException("unknown GuessType");
}
}
} catch (GuessDatesException gfe) {
// @todo catch errors and give to user
}
double d = values[0];
if (!parseCalendarDates && !parseCalendarDatesAndPrecision) {
if (offset > 0) {
if (unlessLessThan > 0) {
if (d < unlessLessThan) {
d += offset2;
} else {
d += offset;
}
} else {
d += offset;
}
}
}
// @todo if any taxa aren't set then return warning
Date date = Date.createTimeSinceOrigin(d, Units.Type.YEARS, origin);
date.setPrecision(values[1]);
taxon.setAttribute("date", date);
}
}
use of dr.evolution.util.Taxon in project beast-mcmc by beast-dev.
the class XMLGenerator method writeTaxa.
// END: writeBranchRatesModel
private void writeTaxa(Taxa taxa, XMLWriter writer, String suffix) {
// tagname
writer.writeOpenTag(// tagname
TaxaParser.TAXA, new Attribute[] { // attributes[]
new Attribute.Default<String>(XMLParser.ID, TaxaParser.TAXA + suffix) });
for (int i = 0; i < taxa.getTaxonCount(); i++) {
Taxon taxon = taxa.getTaxon(i);
writer.writeTag(// tagname
TaxonParser.TAXON, new Attribute[] { // attributes[]
new Attribute.Default<String>(XMLParser.ID, taxon.getId()) }, // close
true);
}
// END: i loop
writer.writeCloseTag(TaxaParser.TAXA);
}
use of dr.evolution.util.Taxon in project beast-mcmc by beast-dev.
the class BeagleSeqSimTest method simulateTopology.
// END: annotateTree
static void simulateTopology() {
try {
System.out.println("Test case 1: simulateTopology");
MathUtils.setSeed(666);
int sequenceLength = 10;
ArrayList<Partition> partitionsList = new ArrayList<Partition>();
// create tree
NewickImporter importer = new NewickImporter("(SimSeq1:73.7468,(SimSeq2:25.256989999999995,SimSeq3:45.256989999999995):18.48981);");
Tree tree = importer.importTree(null);
// set demographic function
ExponentialGrowth exponentialGrowth = new ExponentialGrowth(Units.Type.YEARS);
exponentialGrowth.setN0(10);
exponentialGrowth.setGrowthRate(0.5);
Taxa taxa = new Taxa();
for (Taxon taxon : tree.asList()) {
double absoluteHeight = Utils.getAbsoluteTaxonHeight(taxon, tree);
taxon.setAttribute(Utils.ABSOLUTE_HEIGHT, absoluteHeight);
// taxon.setAttribute("date", new Date(absoluteHeight,
// Units.Type.YEARS, true));
taxa.addTaxon(taxon);
}
// END: taxon loop
CoalescentSimulator topologySimulator = new CoalescentSimulator();
TreeModel treeModel = new TreeModel(topologySimulator.simulateTree(taxa, exponentialGrowth));
System.out.println(treeModel.toString());
Parameter freqs = new Parameter.Default(new double[] { 0.25, 0.25, 0.25, 0.25 });
FrequencyModel freqModel = new FrequencyModel(Nucleotides.INSTANCE, freqs);
// create substitution model
Parameter kappa = new Parameter.Default(1, 10);
HKY hky = new HKY(kappa, freqModel);
HomogeneousBranchModel substitutionModel = new HomogeneousBranchModel(hky);
// create site model
GammaSiteRateModel siteRateModel = new GammaSiteRateModel("siteModel");
// create branch rate model
BranchRateModel branchRateModel = new DefaultBranchRateModel();
// create partition
Partition partition1 = new //
Partition(//
treeModel, //
substitutionModel, //
siteRateModel, //
branchRateModel, //
freqModel, // from
0, // to
sequenceLength - 1, // every
1);
partitionsList.add(partition1);
// feed to sequence simulator and generate data
BeagleSequenceSimulator simulator = new BeagleSequenceSimulator(partitionsList);
System.out.println(simulator.simulate(simulateInPar, false).toString());
} catch (Exception e) {
e.printStackTrace();
System.exit(-1);
}
// END: try-catch block
}
use of dr.evolution.util.Taxon 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.evolution.util.Taxon in project beast-mcmc by beast-dev.
the class AncestralStateBeagleTreeLikelihoodTest method testJointLikelihood.
public void testJointLikelihood() {
TreeModel treeModel = new TreeModel("treeModel", tree);
Sequence[] sequence = new Sequence[3];
sequence[0] = new Sequence(new Taxon("0"), "A");
sequence[1] = new Sequence(new Taxon("1"), "C");
sequence[2] = new Sequence(new Taxon("2"), "C");
Taxa taxa = new Taxa();
for (Sequence s : sequence) {
taxa.addTaxon(s.getTaxon());
}
SimpleAlignment alignment = new SimpleAlignment();
for (Sequence s : sequence) {
alignment.addSequence(s);
}
Parameter mu = new Parameter.Default(1, 1.0);
Parameter kappa = new Parameter.Default(1, 1.0);
double[] pi = { 0.25, 0.25, 0.25, 0.25 };
Parameter freqs = new Parameter.Default(pi);
FrequencyModel f = new FrequencyModel(Nucleotides.INSTANCE, freqs);
HKY hky = new HKY(kappa, f);
GammaSiteRateModel siteRateModel = new GammaSiteRateModel("gammaModel", mu, null, -1, null);
siteRateModel.setSubstitutionModel(hky);
BranchModel branchModel = new HomogeneousBranchModel(siteRateModel.getSubstitutionModel());
BranchRateModel branchRateModel = null;
AncestralStateBeagleTreeLikelihood treeLikelihood = new AncestralStateBeagleTreeLikelihood(alignment, treeModel, branchModel, siteRateModel, branchRateModel, null, false, PartialsRescalingScheme.DEFAULT, true, null, hky.getDataType(), "stateTag", // useMap = true
true, false);
double logLike = treeLikelihood.getLogLikelihood();
StringBuffer buffer = new StringBuffer();
// Tree.Utils.newick(treeModel, treeModel.getRoot(), false, Tree.BranchLengthType.LENGTHS_AS_TIME,
// null, null, new NodeAttributeProvider[]{treeLikelihood}, null, null, buffer);
TreeUtils.newick(treeModel, treeModel.getRoot(), false, TreeUtils.BranchLengthType.LENGTHS_AS_TIME, null, null, new TreeTraitProvider[] { treeLikelihood }, null, buffer);
System.out.println(buffer);
System.out.println("t_CA(2) = " + t(false, 2.0));
System.out.println("t_CC(1) = " + t(true, 1.0));
double trueValue = 0.25 * t(false, 2.0) * Math.pow(t(true, 1.0), 3.0);
assertEquals(logLike, Math.log(trueValue), 1e-6);
}
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