public class RandomTree extends Classifier implements OptionHandler, WeightedInstancesHandler, Randomizable, Drawable
-K <number of attributes> Number of attributes to randomly investigate. (default 0) (<0 = int(log_2(#predictors)+1)).
-M <minimum number of instances> Set minimum number of instances per leaf.
-S <num> Seed for random number generator. (default 1)
-depth <num> The maximum depth of the tree, 0 for unlimited. (default 0)
-N <num> Number of folds for backfitting (default 0, no backfitting).
-U Allow unclassified instances.
-D If set, classifier is run in debug mode and may output additional info to the console
BayesNet, Newick, NOT_DRAWABLE, TREE
Constructor and Description |
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RandomTree() |
Modifier and Type | Method and Description |
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java.lang.String |
allowUnclassifiedInstancesTipText()
Returns the tip text for this property
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void |
buildClassifier(Instances data)
Builds classifier.
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double[] |
distributionForInstance(Instance instance)
Computes class distribution of an instance using the tree.
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void |
generatePartition(Instances data)
Builds the classifier to generate a partition.
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boolean |
getAllowUnclassifiedInstances()
Get the value of NumFolds.
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Capabilities |
getCapabilities()
Returns default capabilities of the classifier.
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int |
getKValue()
Get the value of K.
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int |
getMaxDepth()
Get the maximum depth of trh tree, 0 for unlimited.
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double[] |
getMembershipValues(Instance instance)
Computes array that indicates node membership.
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double |
getMinNum()
Get the value of MinNum.
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int |
getNumFolds()
Get the value of NumFolds.
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java.lang.String[] |
getOptions()
Gets options from this classifier.
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int |
getSeed()
Gets the seed for the random number generations
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java.lang.String |
globalInfo()
Returns a string describing classifier
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java.lang.String |
graph()
Returns graph describing the tree.
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int |
graphType()
Returns the type of graph this classifier represents.
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java.lang.String |
KValueTipText()
Returns the tip text for this property
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java.util.Enumeration |
listOptions()
Lists the command-line options for this classifier.
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static void |
main(java.lang.String[] argv)
Main method for this class.
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java.lang.String |
maxDepthTipText()
Returns the tip text for this property
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java.lang.String |
minNumTipText()
Returns the tip text for this property
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int |
numElements()
Returns the number of elements in the partition.
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java.lang.String |
numFoldsTipText()
Returns the tip text for this property
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java.lang.String |
seedTipText()
Returns the tip text for this property
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void |
setAllowUnclassifiedInstances(boolean newAllowUnclassifiedInstances)
Set the value of AllowUnclassifiedInstances.
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void |
setKValue(int k)
Set the value of K.
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void |
setMaxDepth(int value)
Set the maximum depth of the tree, 0 for unlimited.
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void |
setMinNum(double newMinNum)
Set the value of MinNum.
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void |
setNumFolds(int newNumFolds)
Set the value of NumFolds.
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void |
setOptions(java.lang.String[] options)
Parses a given list of options.
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void |
setSeed(int seed)
Set the seed for random number generation.
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java.lang.String |
toString()
Outputs the decision tree.
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classifyInstance, debugTipText, forName, getDebug, getRevision, makeCopies, makeCopy, setDebug
public java.lang.String globalInfo()
public java.lang.String minNumTipText()
public double getMinNum()
public void setMinNum(double newMinNum)
newMinNum
- Value to assign to MinNum.public java.lang.String KValueTipText()
public int getKValue()
public void setKValue(int k)
k
- Value to assign to K.public java.lang.String seedTipText()
public void setSeed(int seed)
setSeed
in interface Randomizable
seed
- the seedpublic int getSeed()
getSeed
in interface Randomizable
public java.lang.String maxDepthTipText()
public int getMaxDepth()
public java.lang.String numFoldsTipText()
public int getNumFolds()
public void setNumFolds(int newNumFolds)
newNumFolds
- Value to assign to NumFolds.public java.lang.String allowUnclassifiedInstancesTipText()
public boolean getAllowUnclassifiedInstances()
public void setAllowUnclassifiedInstances(boolean newAllowUnclassifiedInstances)
newAllowUnclassifiedInstances
- Value to assign to
AllowUnclassifiedInstances.public void setMaxDepth(int value)
value
- the maximum depth.public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
listOptions
in class Classifier
public java.lang.String[] getOptions()
getOptions
in interface OptionHandler
getOptions
in class Classifier
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-K <number of attributes> Number of attributes to randomly investigate (<0 = int(log_2(#attributes)+1)).
-M <minimum number of instances> Set minimum number of instances per leaf.
-S <num> Seed for random number generator. (default 1)
-depth <num> The maximum depth of the tree, 0 for unlimited. (default 0)
-N <num> Number of folds for backfitting (default 0, no backfitting).
-U Allow unclassified instances.
-D If set, classifier is run in debug mode and may output additional info to the console
setOptions
in interface OptionHandler
setOptions
in class Classifier
options
- the list of options as an array of stringsjava.lang.Exception
- if an option is not supportedpublic Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
getCapabilities
in class Classifier
Capabilities
public void buildClassifier(Instances data) throws java.lang.Exception
buildClassifier
in class Classifier
data
- the data to train withjava.lang.Exception
- if something goes wrong or the data doesn't fitpublic double[] distributionForInstance(Instance instance) throws java.lang.Exception
distributionForInstance
in class Classifier
instance
- the instance to compute the distribution forjava.lang.Exception
- if computation failspublic java.lang.String toString()
toString
in class java.lang.Object
public java.lang.String graph() throws java.lang.Exception
public int graphType()
public void generatePartition(Instances data) throws java.lang.Exception
java.lang.Exception
public double[] getMembershipValues(Instance instance) throws java.lang.Exception
java.lang.Exception
public int numElements() throws java.lang.Exception
java.lang.Exception
public static void main(java.lang.String[] argv)
argv
- the commandline parameters