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Additive smoothing

In statistics, additive smoothing, also called Laplace smoothing or Lidstone smoothing, is a technique used to smooth count data, eliminating issues caused by certain values having 0 occurrences. Given a set of observation counts x = ⟨ x 1 , x 2 , … , x d ⟩ {\displaystyle \mathbf {x} =\langle x_{1},x_{2},\ldots ,x_{d}\rangle } from a d {\displaystyle d}…

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Overview

History

Pseudocount

Applications

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Map overview Semantic statistics

Additive smoothing

Nodes46
Edges45
Triples19
Avg. degree1.96
Density0.043478
Components1

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Additive smoothing

Top relations

related to External links · 9
Additive smoothing → Additive, An, Association, Computational Linguistics, Goodman, Naïve Bayes, Proceedings, PseudocountsBayesian, SF Chen
related to Statistical language modelling · 3
Additive smoothing → Additive, In, Studies
related to Classification · 2
Additive smoothing → Additive, Bayes
is a · 1
Additive smoothing → type of shrinkage estimator

Important terminology Word statistics

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Important terminology

prior smoothing probability displaystyle pseudocount also distribution additive data parameter known estimator one may observed number count set see pseudocounts

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Additive smoothingis atype of shrinkage estimator0.90text
artificial neural networksinstance ofparticularly in probability-based machine learning techniques0.80text
hidden Markov modelsinstance ofparticularly in probability-based machine learning techniques0.80text
language-model-based pseudo-relevance feedbackinstance ofStudies have shown that additive smoothing is more effective than other probability smoothing methods in several retrieval tasks0.80text
recommender systemsinstance ofStudies have shown that additive smoothing is more effective than other probability smoothing methods in several retrieval tasks0.80text
Additive smoothingrelated to ClassificationAdditive0.60section
Additive smoothingrelated to ClassificationBayes0.60section
Additive smoothingrelated to External linksSF Chen0.60section
Additive smoothingrelated to External linksGoodman0.60section
Additive smoothingrelated to External linksAn0.60section
Additive smoothingrelated to External linksProceedings0.60section
Additive smoothingrelated to External linksAssociation0.60section

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