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时间:2019-03-04
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1、JournalofMathematicalPsychology56(2012)1–12ContentslistsavailableatSciVerseScienceDirectJournalofMathematicalPsychologyjournalhomepage:www.elsevier.com/locate/jmpTutorialAtutorialonBayesiannonparametricmodelsSamuelJ.Gershmana,∗,DavidM.BleibaDepartmentofPsychologyandPrinceton
2、NeuroscienceInstitute,PrincetonUniversity,PrincetonNJ08540,USAbDepartmentofComputerScience,PrincetonUniversity,PrincetonNJ08540,USAarticleinfoabstractArticlehistory:Akeyprobleminstatisticalmodelingismodelselection,thatis,howtochooseamodelatanappropriateReceived25January2011l
3、evelofcomplexity.Thisproblemappearsinmanysettings,mostprominentlyinchoosingthenumberofReceivedinrevisedformclustersinmixturemodelsorthenumberoffactorsinfactoranalysis.Inthistutorial,wedescribeBayesian4August2011nonparametricmethods,aclassofmethodsthatside-stepsthisissuebyall
4、owingthedatatodetermineAvailableonline1September2011thecomplexityofthemodel.Thistutorialisahigh-levelintroductiontoBayesiannonparametricmethodsandcontainsseveralexamplesoftheirapplication.Keywords:©2011ElsevierInc.Allrightsreserved.BayesianmethodsChineserestaurantprocessIndi
5、anbuffetprocessContents1.Introduction........................................................................................................................................................................................................................12.Mixturemodelsandclu
6、stering.........................................................................................................................................................................................22.1.Finitemixturemodeling.........................................................
7、...............................................................................................................................22.2.TheChineserestaurantprocess....................................................................................................................
8、........................................................32.3.Chineserestaur
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