Package org.terrier.structures

Interface NgramEntryStatistics

All Superinterfaces:

EntryStatistics, java.io.Serializable

All Known Implementing Classes:

SimpleNgramEntryStatistics

public interface NgramEntryStatistics
extends EntryStatistics

Represent statistics of n-grams, such as those used in sequence dependence models. These require to know the windows size.

Method Summary

Modifier and Type	Method	Description
int	getWindowSize()	Get the size of the window used to calculate an n-gram frequency
void	setWindowSize(int ws)	Update the window size

Methods inherited from interface org.terrier.structures.EntryStatistics

add, getDocumentFrequency, getFrequency, getMaxFrequencyInDocuments, getTermId, getWritableEntryStatistics, setDocumentFrequency, setFrequency, setMaxFrequencyInDocuments, subtract

Method Detail

getWindowSize

int getWindowSize()

Get the size of the window used to calculate an n-gram frequency

Returns:

number of tokens

setWindowSize

void setWindowSize(int ws)

Update the window size