opennlp.tools.ml.naivebayes

Class LogProbability<T>

java.lang.Object

opennlp.tools.ml.naivebayes.Probability<T>

opennlp.tools.ml.naivebayes.LogProbability<T>

Type Parameters:

T - the label (category) class

public class LogProbability<T>
extends Probability<T>

Class implementing the probability for a label.

Constructor Summary

Constructors

Constructor and Description
LogProbability(T label)

Method Summary

Modifier and Type	Method and Description
void	addIn(double probability) Compounds the existing probability mass on the label with the new probability passed in to the method.
Double	get() Returns the probability associated with a label
T	getLabel() Returns the probabilities associated with all labels
Double	getLog() Returns the log probability associated with a label
boolean	isLarger(Probability probability) Checks if a probability is greater than the old one.
void	set(double probability) Assigns a probability to a label, discarding any previously assigned probability.
void	set(Probability probability) Assigns a probability to a label, discarding any previously assigned probability.
void	setIfLarger(double probability) Assigns a probability to a label, discarding any previously assigned probability, if the new probability is greater than the old one.
void	setIfLarger(Probability probability) Assigns a probability to a label, discarding any previously assigned probability, if the new probability is greater than the old one.
void	setLog(double probability) Assigns a log probability to a label, discarding any previously assigned probability.
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

LogProbability

public LogProbability(T label)

Method Detail

set

public void set(double probability)

Assigns a probability to a label, discarding any previously assigned probability.

Overrides:

set in class Probability<T>

Parameters:

probability - the probability to assign

set

public void set(Probability probability)

Assigns a probability to a label, discarding any previously assigned probability.

Overrides:

set in class Probability<T>

Parameters:

probability - the probability to assign

setIfLarger

public void setIfLarger(double probability)

Assigns a probability to a label, discarding any previously assigned probability, if the new probability is greater than the old one.

Overrides:

setIfLarger in class Probability<T>

Parameters:

probability - the probability to assign

setIfLarger

public void setIfLarger(Probability probability)

Assigns a probability to a label, discarding any previously assigned probability, if the new probability is greater than the old one.

Overrides:

setIfLarger in class Probability<T>

Parameters:

probability - the probability to assign

isLarger

public boolean isLarger(Probability probability)

Checks if a probability is greater than the old one.

Overrides:

isLarger in class Probability<T>

Parameters:

probability - the probability to assign

setLog

public void setLog(double probability)

Assigns a log probability to a label, discarding any previously assigned probability.

Overrides:

setLog in class Probability<T>

Parameters:

probability - the log probability to assign

addIn

public void addIn(double probability)

Compounds the existing probability mass on the label with the new probability passed in to the method.

Overrides:

addIn in class Probability<T>

Parameters:

probability - the probability weight to add

get

public Double get()

Returns the probability associated with a label

Overrides:

get in class Probability<T>

Returns:

the probability associated with the label

getLog

public Double getLog()

Returns the log probability associated with a label

Overrides:

getLog in class Probability<T>

Returns:

the log probability associated with the label

getLabel

public T getLabel()

Returns the probabilities associated with all labels

Overrides:

getLabel in class Probability<T>

Returns:

the HashMap of labels and their probabilities

toString

public String toString()

Overrides:

toString in class Probability<T>