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1、DataPreparationforDataMiningDorianPyleSeniorEditor:DianeD.CerraDirectorofProduction&Manufacturing:YonieOvertonProductionEditor:EdwardWadeEditorialAssistant:BelindaBreyerCoverDesign:Wall-To-WallStudiosCoverPhotograph:©1999PhotoDisc,Inc.TextDesign&Composition:RebeccaEvans&Associ
2、atesTechnicalIllustration:DartmouthPublishing,Inc.Copyeditor:GaryMorrisProofreader:KenDellaPentaIndexer:SteveRathPrinter:CourierCorp.Designationsusedbycompaniestodistinguishtheirproductsareoftenclaimedastrademarksorregisteredtrademarks.InallinstanceswhereMorganKaufmannPublishe
3、rs,Inc.isawareofaclaim,theproductnamesappearininitialcapitalorallcapitalletters.Readers,however,shouldcontacttheappropriatecompaniesformorecompleteinformationregardingtrademarksandregistration.MorganKaufmannPublishers,Inc.EditorialandSalesOffice340PineStreet,SixthFloorSanFranc
4、isco,CA94104-3205USATelephone415-392-2665Facsimile415-982-2665Emailmkp@mkp.comWWWhttp://www.mkp.comOrdertollfree800-745-7323©1999byMorganKaufmannPublishers,Inc.AllrightsreservedNopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans—e
5、lectronic,mechanical,photocopying,orotherwise—withoutthepriorwrittenpermissionofthepublisher.DedicationTomydearlybelovedPat,withoutwhoselove,encouragement,andsupport,thisbook,andverymuchmore,wouldneverhavecometobeTableofContentsDataPreparationforDataMiningPrefaceIntroductionCh
6、apter1-DataExplorationasaProcessChapter2-TheNatureoftheWorldandItsImpactonDataPreparationChapter3-DataPreparationasaProcessChapter4-GettingtheData—BasicPreparationChapter5-Sampling,Variability,andConfidenceChapter6-HandlingNonnumericalVariablesChapter7-NormalizingandRedistribu
7、tingVariablesChapter8-ReplacingMissingandEmptyValuesChapter9-SeriesVariablesChapter10-PreparingtheDataSetChapter11-TheDataSurveyChapter12-UsingPreparedDataAppendixA-UsingtheDemonstrationCodeontheCD-ROMAppendixB-FurtherReadingPrefaceWhatThisBookIsAboutThisbookisaboutwhattodowit
8、hdatatogetthemostoutofit.Thereisalotmoretothatstatementthanfi
