北京市高中會考數(shù)據(jù)挖掘研究.pdf

1、北京工業(yè)大學(xué)碩士學(xué)位論文北京市高中會考數(shù)據(jù)挖掘研究姓名：張黎黎申請學(xué)位級別：碩士專業(yè)：計算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：李健20080401AbstractAbstractBeijingCommonHighSchoolUniformExaminationbeingacritedon—referencedLargeScaletestaimstomeasureandvalueschoolworkofhi曲schoolstudentsandqualit

2、yofschoolteaching，anditisthebasisusedtoweighwhetherstudentsreachhi曲schoolgraduationstandardsWiththeextensiveapplicationofdatabasesystemintheunitedexaminationmanagement，Beijingeducationexaminecenteraccumulatelargenumberof

3、relevantdataabouttheunitedexaminationBecauselackofeffectiveprocessingmeans，thesedatabecomerarerevisiteddatafilesaftertheendofthebusinessactivitiesDataminingtechnologyintroducedindataanalysisoftheunitedexamination，analysi

4、sofsedimentarydatafindouthiddenknowledgeandpotentialrulesaboutdata，providesdatasupportforscientificevaluationoftheroleoftheunitedexaminationinseniorhi曲schoolteachingandforeducationadministrationdepartmentsmakingrelativep

5、olicyThekeyofDataMiningistoidentifyasuitablegoalofminingInordertoidentifythegoalofminingitisnotonlytoconsiderbusinessmanagementneeds，butalsotoconsiderthecharacteristicsofdatatoensurethattheobjectivesdataCanbeachievedonth

6、ebasisofavailableThemainobjectiveistothroughanalysisofdifferentexaminationtime(normalexamination，nonnormalexamination)，differenttypesofcandidates(Normal，private)，differentformsofexamination(Examination，thegroupselfexamin

7、ation)ofthetestscores，tosupporttheexistingpolicychangesandtoimprovetheprovisionofdataSOthatHighSchoolCertificateofEducationExaminationOfBeijingCanreallyplayhi曲schoolexaminationofeducationqualitymonitoringandevaluationrol

8、eFirstofall，collectrelevantdatawhichfromthemainbusinesssystemofEducationExamination，inordertomeettheneedsofminingthememayberequiredfromotherbusinesssystemsaccesstodataTheexistingbusinesssystemismainlyusedrelationaldatamo

9、del，theneedforexcavationmaybeneededmodelconversionSecondly，theneedtocleanuptheoriginaldata，removetheabnormaldata，suchasnullandunreasonablevalue；needforsimplificationoftheoriginaldatadeleteandnotrelevanttothesubjectofdata