Package 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>
A class implementing the logarithmic Probability for a label.

  • Constructor Summary

    Constructors
    Constructor
    Description
    LogProbability(T label)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addIn(double probability)
    Compounds the existing probability mass on the label with the new probability passed in to the method.
    Double
    get()
     
    T
    getLabel()
     
    Double
    getLog()
     
    boolean
    isLarger(Probability<T> 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<T> 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<T> 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 Details

    • LogProbability

      public LogProbability(T label)

  • Method Details

    • 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<T> 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<T> 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<T> probability)
      Description copied from class: Probability
      Checks if a probability is greater than the old one.
      Overrides:
      isLarger in class Probability<T>
      Parameters:
      probability - the probability to check
      Returns:
      true if a probability is greater than the old one, false otherwise.

    • 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()
      Overrides:
      get in class Probability<T>
      Returns:
      Retrieves the probability associated with a label.

    • getLog

      public Double getLog()
      Overrides:
      getLog in class Probability<T>
      Returns:
      Retrieves the log probability associated with a label.

    • getLabel

      public T getLabel()
      Overrides:
      getLabel in class Probability<T>
      Returns:
      Retrieves the probabilities associated with all labels,

    • toString

      public String toString()
      Overrides:
      toString in class Probability<T>