基于因子分析的数据质量评估

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1、湖北大学硕士学位论文基于因子分析的数据质量评估姓名：曾记申请学位级别：硕士专业：系统分析与集成指导教师：李跃新20090501AbstractInrecentyears，China’Sfinancialindustry,insurance，telecommunicationsindustryhaveinvestedalotofenergyandfinancialresourcestoproceedwiththeconstructionofdatawarehouseproject，whichallowspeoplefromtheperspective

2、ofanewawarenesstotheimportanceofinformationsystems，butalsohasbeenfoundthevalueofhistorydata．Sincethendataisusednotonlyforretrieval，butalsoforanalysisingtheoperationalstatusofthedevelopmenttrendofthefutureacrosstheenterprise(ororganization)，inordertosupportdecision—makingandman

3、agement．Butatthesametimealsofoundthatconsistent，clear,accurateandaccessible，andtheavailabilityofbetterdataisthebasisofdatawarehousesysteminthedatawarehouse．Howtointegrateandexpanendbasedontheformationthearchitectureanddevelopdataqualitycontrolsystemsuitedtotheirowndatawarehous

4、esystemhasbecomeurgentproblems．HubeiTelecom，asamemberoftheGroup，decidedtouseTeradadadatawarehouseplatform，togetherwithTeradataWarehouseMinerdataminingsolution，theestablishmentofaprovincial—levelbusinessanalysisanddecisionsupportsystems，byfocusingonstableintegrationoftheprovinc

5、e’Smorethan1,800user’Sdata，basedontheTeradatatobuildacustomeratthecoreofaunifiedviewofenterprisedatainordertograduallydevelopfromextensivedevelopmenttotheconnotationchanges．。Thispaperanalysisthecurrentdataqualityassessmentmethods，pointsoutthedifferencebetweencommonbusinesssyst

6、emsanddatawarehouseenvironmentondataqualityassessmentmethods．thatis，datawarehousedataqualityintime—varyingcharacteristicsofdatawarehousedataqualityamplificationanddatawarehouseuserroledataqualitycharacteristics，factoranalysisbasedondataqualityassessmentmodel．Thispaperusesdataw

7、arehousedataqualityissuesastheinitialvariables，abstractdataqualityindicatorsusingofabstractfactoranalysis，aswellastheevaluationofthecontributionratethequalityofthedata．Thispaperalsoindicatorsofdataqualityassessmentanddatacorrespondtotheroleofthewarehouses，usesfactoranalysistog

8、rasptheprincipalcontradictionintheguidanceofavarietyofroles，s