ProbabilisticInverseFrequency

class matchup.structure.weighting.idf.ProbabilisticInverseFrequency

Bases: matchup.structure.weighting.idf.IDF

Methods Summary

generate(vocabulary)

Model to calculate IDF based in probabilistic inverse frequency : log N - ni / ni

Methods Documentation

generate(vocabulary)

Model to calculate IDF based in probabilistic inverse frequency : log N - ni / ni This weighting are not so good when N - ni / ni < 1 :: N - ni < ni :: N < 2ni

Parameters:vocabulary – structure to generate IDF Returns:None