use of beast.evolution.tree.MultiTypeTreeFromNewick in project MultiTypeTree by tgvaughan.
the class Ewing_Test method test1.
@Test
public void test1() throws Exception {
System.out.println("Ewing_test1");
// Fix seed.
Randomizer.setSeed(1);
// Assemble initial MultiTypeTree
String newickStr = "((1[&deme=0]:1,2[&deme=0]:1)[&deme=0]:1," + "3[&deme=0]:2)[&deme=0]:0;";
MultiTypeTreeFromNewick mtTree = new MultiTypeTreeFromNewick();
mtTree.initByName("value", newickStr, "typeLabel", "deme");
// Assemble migration model:
RealParameter rateMatrix = new RealParameter("0.1 0.1");
RealParameter popSizes = new RealParameter("7.0 7.0");
SCMigrationModel migModel = new SCMigrationModel();
migModel.initByName("rateMatrix", rateMatrix, "popSizes", popSizes, "typeSet", new TypeSet("A", "B"));
// Assemble distribution:
StructuredCoalescentTreeDensity distribution = new StructuredCoalescentTreeDensity();
distribution.initByName("migrationModel", migModel, "multiTypeTree", mtTree);
// Set up state:
State state = new State();
state.initByName("stateNode", mtTree);
// Set up operators:
TypedWilsonBaldingEasy twbOperator = new TypedWilsonBaldingEasy();
twbOperator.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel);
TypedSubtreeExchangeEasy tsxOperator = new TypedSubtreeExchangeEasy();
tsxOperator.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel, "isNarrow", true);
MultiTypeUniform mtuOperator = new MultiTypeUniform();
mtuOperator.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel);
MultiTypeTreeScale mttsOperator = new MultiTypeTreeScale();
mttsOperator.initByName("weight", 1.0, "scaleFactor", 0.8, "useOldTreeScaler", true, "multiTypeTree", mtTree, "migrationModel", migModel);
TypePairBirthDeath tpbdOperator = new TypePairBirthDeath();
tpbdOperator.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel);
TypeMergeSplit tmsOperator = new TypeMergeSplit();
tmsOperator.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel, "includeRoot", true);
// Set up stat analysis logger:
MultiTypeTreeStatLogger logger = new MultiTypeTreeStatLogger();
logger.initByName("multiTypeTree", mtTree, "burninFrac", 0.1, "logEvery", 1000);
// Logger fileLogger = new Logger();
// TreeHeightLogger thLogger = new TreeHeightLogger();
// thLogger.initByName("tree", mtTree);
// fileLogger.initByName(
// "fileName", "test.log",
// "logEvery", 1000,
// "model", distribution,
// "log", thLogger);
// Set up MCMC:
MCMC mcmc = new MCMC();
mcmc.initByName("chainLength", "10000000", "state", state, "distribution", distribution, "operator", twbOperator, "operator", tsxOperator, "operator", mtuOperator, "operator", mttsOperator, "operator", tpbdOperator, "operator", tmsOperator, "logger", logger);
// Run MCMC:
mcmc.run();
System.out.format("height mean = %s\n", logger.getHeightMean());
System.out.format("height var = %s\n", logger.getHeightVar());
System.out.format("height ESS = %s\n", logger.getHeightESS());
// Compare analysis results with truth:
boolean withinTol = (logger.getHeightESS() > 3000) && (Math.abs(logger.getHeightMean() - 19.15) < 0.5) && (Math.abs(logger.getHeightVar() - 310) < 20);
Assert.assertTrue(withinTol);
}
use of beast.evolution.tree.MultiTypeTreeFromNewick in project MultiTypeTree by tgvaughan.
the class TWB_TS_Test method test1.
@Test
public void test1() throws Exception {
System.out.println("TWB_test 1");
// Fix seed.
Randomizer.setSeed(42);
// Assemble initial MultiTypeTree
String newickStr = "((1[&deme=0]:1,2[&deme=0]:1)[&deme=0]:1," + "3[&deme=0]:2)[&deme=0]:0;";
MultiTypeTreeFromNewick mtTree = new MultiTypeTreeFromNewick();
mtTree.initByName("value", newickStr, "typeLabel", "deme");
// Assemble migration model:
RealParameter rateMatrix = new RealParameter("0.1 0.1");
RealParameter popSizes = new RealParameter("7.0 7.0");
SCMigrationModel migModel = new SCMigrationModel();
migModel.initByName("rateMatrix", rateMatrix, "popSizes", popSizes, "typeSet", new TypeSet("A", "B"));
// Assemble distribution:
StructuredCoalescentTreeDensity distribution = new StructuredCoalescentTreeDensity();
distribution.initByName("migrationModel", migModel, "multiTypeTree", mtTree);
// Set up state:
State state = new State();
state.initByName("stateNode", mtTree);
// Set up operator:
TypedWilsonBalding operatorTWB = new TypedWilsonBalding();
operatorTWB.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel, "alpha", 0.2);
Operator operatorMTTS = new MultiTypeTreeScale();
operatorMTTS.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel, "scaleFactor", 0.8, "useOldTreeScaler", false);
// Set up stat analysis logger:
MultiTypeTreeStatLogger logger = new MultiTypeTreeStatLogger();
logger.initByName("multiTypeTree", mtTree, "burninFrac", 0.2, "logEvery", 1000);
// Set up MCMC:
MCMC mcmc = new MCMC();
mcmc.initByName("chainLength", "1000000", "state", state, "distribution", distribution, "operator", operatorTWB, "operator", operatorMTTS, "logger", logger);
// Run MCMC:
mcmc.run();
System.out.format("height mean = %s\n", logger.getHeightMean());
System.out.format("height var = %s\n", logger.getHeightVar());
System.out.format("height ESS = %s\n", logger.getHeightESS());
// Direct simulation:
double[] heights = UtilMethods.getSimulatedHeights(migModel, new IntegerParameter("0 0 0"));
double simHeightMean = DiscreteStatistics.mean(heights);
double simHeightVar = DiscreteStatistics.variance(heights);
// Compare results with simulation results:
boolean withinTol = (logger.getHeightESS() > 400) && (Math.abs(logger.getHeightMean() - simHeightMean) < 1.0) && (Math.abs(logger.getHeightVar() - simHeightVar) < 30);
Assert.assertTrue(withinTol);
}
use of beast.evolution.tree.MultiTypeTreeFromNewick in project MultiTypeTree by tgvaughan.
the class TWB_TS_Test method testTWB2.
@Test
public void testTWB2() throws Exception {
System.out.println("TWB_test 2");
// Fix seed.
Randomizer.setSeed(42);
// Assemble initial MultiTypeTree
String newickStr = "((1[&deme=1]:1,2[&deme=0]:1)[&deme=0]:1," + "3[&deme=0]:2)[&deme=0]:0;";
MultiTypeTreeFromNewick mtTree = new MultiTypeTreeFromNewick();
mtTree.initByName("value", newickStr, "typeLabel", "deme");
// Assemble migration model:
RealParameter rateMatrix = new RealParameter("0.1 0.1");
RealParameter popSizes = new RealParameter("7.0 7.0");
SCMigrationModel migModel = new SCMigrationModel();
migModel.initByName("rateMatrix", rateMatrix, "popSizes", popSizes, "typeSet", new TypeSet("A", "B"));
// Assemble distribution:
StructuredCoalescentTreeDensity distribution = new StructuredCoalescentTreeDensity();
distribution.initByName("migrationModel", migModel, "multiTypeTree", mtTree);
// Set up state:
State state = new State();
state.initByName("stateNode", mtTree);
// Set up operator:
TypedWilsonBalding operatorTWB = new TypedWilsonBalding();
operatorTWB.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel, "alpha", 0.2);
Operator operatorMTTS = new MultiTypeTreeScale();
operatorMTTS.initByName("weight", 1.0, "multiTypeTree", mtTree, "migrationModel", migModel, "scaleFactor", 0.8, "useOldTreeScaler", false);
// Set up stat analysis logger:
MultiTypeTreeStatLogger logger = new MultiTypeTreeStatLogger();
logger.initByName("multiTypeTree", mtTree, "burninFrac", 0.1, "logEvery", 1000);
// Set up MCMC:
MCMC mcmc = new MCMC();
mcmc.initByName("chainLength", "1000000", "state", state, "distribution", distribution, "operator", operatorTWB, "logger", logger);
// Run MCMC:
mcmc.run();
System.out.format("height mean = %s\n", logger.getHeightMean());
System.out.format("height var = %s\n", logger.getHeightVar());
System.out.format("height ESS = %s\n", logger.getHeightESS());
// Direct simulation:
double[] heights = UtilMethods.getSimulatedHeights(migModel, new IntegerParameter("1 0 0"));
double simHeightMean = DiscreteStatistics.mean(heights);
double simHeightVar = DiscreteStatistics.variance(heights);
// Compare analysis results with truth:
boolean withinTol = (logger.getHeightESS() > 400) && (Math.abs(logger.getHeightMean() - simHeightMean) < 1.0) && (Math.abs(logger.getHeightVar() - simHeightVar) < 30);
Assert.assertTrue(withinTol);
}
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