Transcription of Decision T - Statistics
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BayesianLearninginProbabilisticDecisionT reesMichaelI JordanMITC ollaboratorsRobertJacobs Rochester LeiXu HongKong Geo reyHinton Toronto StevenNowlan Synaptics MarinaMeila MIT LawrenceSaul MIT Outline decisiontrees probabilisticdecisiontrees EMalgorithmandextensions modelselection Bayesiancomputations empiricalresults systemidenti cation classi cation theoreticalresults trainingseterror testseterrorSomeproblemswithmulti layeredneuralnetworks thelearningalgorithmsareslow hardtounderstandthenetwork hardtobuildinpriorknowledge poorperformanceonnon stationarydata notnaturalforsomefunctionsSupervisedlear ning akaregression classi cation Weassumethatthelearnerisprovidedwithatra iningset X f x t y t gT wherexisaninputvectorandyisanoutputvecto r Wewillgaugeperformanceonatestset Xs f x t y t gTs Decisiontreesx < <
Comp onen t Mo dels De cision mo dels P i j x is a classication mo del an y parametric classicati on mo del is appropriate w euse am ultinomial logit mo del
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Early Warning System for Evaluating, Early Warning System for Evaluating the Credit Portfolio, And Strategies for Mixed Modeling, And Strategies for Mixed Modeling with SAS, Log Linear Models, Logistical Regression II— Multinomial, Logistical Regression II— Multinomial Data, Competitive are markets for, Competitive are markets for telecommunications services, Multilevel structural equation modeling