public class RandomTreeGenerator extends AbstractOptionHandler implements InstanceStream
Modifier and Type | Class and Description |
---|---|
protected static class |
RandomTreeGenerator.Node |
Modifier and Type | Field and Description |
---|---|
IntOption |
firstLeafLevelOption |
protected Random |
instanceRandom |
IntOption |
instanceRandomSeedOption |
FloatOption |
leafFractionOption |
IntOption |
maxTreeDepthOption |
IntOption |
numClassesOption |
IntOption |
numNominalsOption |
IntOption |
numNumericsOption |
IntOption |
numValsPerNominalOption |
protected InstancesHeader |
streamHeader |
IntOption |
treeRandomSeedOption |
protected RandomTreeGenerator.Node |
treeRoot |
config
Constructor and Description |
---|
RandomTreeGenerator() |
Modifier and Type | Method and Description |
---|---|
protected int |
classifyInstance(RandomTreeGenerator.Node node,
double[] attVals) |
long |
estimatedRemainingInstances()
Gets the estimated number of remaining instances in this stream
|
protected void |
generateHeader() |
protected void |
generateRandomTree() |
protected RandomTreeGenerator.Node |
generateRandomTreeNode(int currentDepth,
ArrayList<Integer> nominalAttCandidates,
double[] minNumericVals,
double[] maxNumericVals,
Random treeRand) |
void |
getDescription(StringBuilder sb,
int indent)
Returns a string representation of this object.
|
InstancesHeader |
getHeader()
Gets the header of this stream.
|
String |
getPurposeString()
Dictionary with option texts and objects
|
boolean |
hasMoreInstances()
Gets whether this stream has more instances to output.
|
boolean |
isRestartable()
Gets whether this stream can restart.
|
InstanceExample |
nextInstance()
Gets the next example from this stream.
|
void |
prepareForUseImpl(TaskMonitor monitor,
ObjectRepository repository)
This method describes the implementation of how to prepare this object for use.
|
void |
restart()
Restarts this stream.
|
copy, getCLICreationString, getOptions, getPreparedClassOption, prepareClassOptions, prepareForUse, prepareForUse
copy, measureByteSize, measureByteSize, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
copy, measureByteSize
public IntOption treeRandomSeedOption
public IntOption instanceRandomSeedOption
public IntOption numClassesOption
public IntOption numNominalsOption
public IntOption numNumericsOption
public IntOption numValsPerNominalOption
public IntOption maxTreeDepthOption
public IntOption firstLeafLevelOption
public FloatOption leafFractionOption
protected RandomTreeGenerator.Node treeRoot
protected InstancesHeader streamHeader
protected Random instanceRandom
public String getPurposeString()
AbstractOptionHandler
getPurposeString
in interface OptionHandler
getPurposeString
in class AbstractOptionHandler
public void prepareForUseImpl(TaskMonitor monitor, ObjectRepository repository)
AbstractOptionHandler
prepareForUseImpl
and not prepareForUse
since
prepareForUse
calls prepareForUseImpl
.prepareForUseImpl
in class AbstractOptionHandler
monitor
- the TaskMonitor to userepository
- the ObjectRepository to usepublic long estimatedRemainingInstances()
ExampleStream
estimatedRemainingInstances
in interface ExampleStream<Example<Instance>>
public boolean isRestartable()
ExampleStream
isRestartable
in interface ExampleStream<Example<Instance>>
public void restart()
ExampleStream
restart
in interface ExampleStream<Example<Instance>>
public InstancesHeader getHeader()
ExampleStream
getHeader
in interface ExampleStream<Example<Instance>>
public boolean hasMoreInstances()
ExampleStream
hasMoreInstances
in interface ExampleStream<Example<Instance>>
public InstanceExample nextInstance()
ExampleStream
nextInstance
in interface ExampleStream<Example<Instance>>
protected int classifyInstance(RandomTreeGenerator.Node node, double[] attVals)
protected void generateHeader()
protected void generateRandomTree()
protected RandomTreeGenerator.Node generateRandomTreeNode(int currentDepth, ArrayList<Integer> nominalAttCandidates, double[] minNumericVals, double[] maxNumericVals, Random treeRand)
public void getDescription(StringBuilder sb, int indent)
MOAObject
AbstractMOAObject.toString
to give a string representation of the object.getDescription
in interface MOAObject
sb
- the stringbuilder to add the descriptionindent
- the number of characters to indentCopyright © 2019 University of Waikato, Hamilton, NZ. All Rights Reserved.