基于數(shù)據(jù)庫的數(shù)據(jù)挖掘技術的研究及其在工業(yè)中的應用.pdf

1、東北大學碩士學位論文基于數(shù)據(jù)庫的數(shù)據(jù)挖掘技術的研究及其在工業(yè)中的應用姓名：齊洪鋼申請學位級別：碩士專業(yè)：計算機應用指導教師：王大玲2002.2.1盔a盤堂塑堂焦逢塞一—笪四衛(wèi)l叢強StudyandApplicationinIndustryofDataMiningonDatabaseAbstractRecentlythedataminingondatawarehouseanddatabaseasacomputerapplicationdi

2、rectionisdeveloping，F(xiàn)orsolvingthecontradictionbetweenexcessivedataandpoorknowledgenowadays，immensedataaregotfromsubjectdatastoredinwarehouseordatastoredindatabase，andrefined，potential，unknownandusefulknowledgeCanbeextrac

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5、gressionincludingevidencefactoranalysisandprincipalcomponentanalysisisusedindataminingTheevidencefactorswhichinfluencetheproductqualityaregainedwimtheevidencefactormothodTheprincipIalcomponentsofevidencefactorswhicharcor

6、thogonalandlinearindependenceeachotheralegainedwithprincilclalcomponentmethodThenumberofprincipalcomponentsisfewerthanthatofevidencesDecisiontreeanalysisclassifiestheanalyzeddata，findsoutclassifiedfeaturesbetweendifferen

7、tclassesevaluatestheelassifiedfeaturesgenerallythengainsthedecisioninformationtoimprovetheproductqmlity111eprincipalcomponentanalysisgainstheprincipalcomponentstakingplaceoftheevidencefactorsastheartificialneuralnetwork’