edu.stanford.nlp.stats
Interface Statistics

All Known Implementing Classes:

SimpleStatistics

public interface Statistics

interface for discrete statistics modules

Method Summary

void	addFactor(String randomVariableString) Specify a joint distribution of variables over which joint statistics are to be kept.
void	clear()
Distribution	distributionOver(DistributionDescriptor desc)
Map	distributionsOver(DistributionDescriptor desc, Set variables)
Measure	measureOver(MeasureDescriptor desc)
void	observe(Observation obs)
void	observe(Observation obs, double weight)
Set	variables() Returns a set of all the random variables that have been defined

Method Detail

clear

public void clear()

variables

public Set variables()

Returns a set of all the random variables that have been defined

observe

public void observe(Observation obs)

observe

public void observe(Observation obs,
                    double weight)

distributionOver

public Distribution distributionOver(DistributionDescriptor desc)

distributionsOver

public Map distributionsOver(DistributionDescriptor desc,
                             Set variables)

measureOver

public Measure measureOver(MeasureDescriptor desc)

addFactor

public void addFactor(String randomVariableString)

Specify a joint distribution of variables over which joint statistics are to be kept.

Parameters:

randomVariableString - a string with the names of each variable separated by whitespace