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AdaBoost

AdaBoost (short for Adaptive Boosting) is a statistical classification meta-algorithm formulated by Yoav Freund and Robert Schapire in 1995, who won the 2003 Gödel Prize for their work. It can be used in conjunction with many types of learning algorithm to improve performance. The output of multiple weak learners is combined into a weighted sum that…

Variants, Statistical understanding of boosting & Boosting as gradient descent

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Derivation

Statistical understanding of boosting

Boosting as gradient descent

Variants

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AdaBoost

Nodes35
Edges34
Triples31
Avg. degree1.94
Density0.057143
Components1

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AdaBoost

Top relations

related to Boosting as gradient descent · 7
AdaBoost → Boosting, Cauchy, In, LogitBoost, Newton, Specifically, Thus AdaBoost
related to Early termination · 6
AdaBoost → If, In, Jones, One, This, Viola
related to LogitBoost · 5
AdaBoost → LogitBoost, Newton, Raphson, Rather, That
related to Totally corrective algorithms · 5
AdaBoost → For, However, LPBoost, This, Totally
related to Statistical understanding of boosting · 3
AdaBoost → Boosting, However, While
related to Training · 3
AdaBoost → At, Each, For
is a · 1
AdaBoost → exponential loss
see also · 1
AdaBoost → Bootstrap

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Important terminology

displaystyle weak classifier error learner training alpha learners function sum boosted algorithm used loss -y weighted stage performance value set

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
AdaBoostis aexponential loss0.90text
AdaBoostrelated to Boosting as gradient descentBoosting0.60section
AdaBoostrelated to Boosting as gradient descentSpecifically0.60section
AdaBoostrelated to Boosting as gradient descentLogitBoost0.60section
AdaBoostrelated to Boosting as gradient descentIn0.60section
AdaBoostrelated to Boosting as gradient descentThus AdaBoost0.60section
AdaBoostrelated to Boosting as gradient descentCauchy0.60section
AdaBoostrelated to Boosting as gradient descentNewton0.60section
AdaBoostrelated to Early terminationOne0.60section
AdaBoostrelated to Early terminationViola0.60section
AdaBoostrelated to Early terminationJones0.60section
AdaBoostrelated to Early terminationIf0.60section

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