［SAS］Advanced SAS Programming Techniques

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1、AdvancedSASProgrammingTechniquesAWorkshopPresentedtotheAlaskaChapterTheAmericanFisheriesSocietyE.BarryMoserDepartmentofExperimentalStatisticsLouisianaStateUniversityandLouisianaStateUniversityAgriculturalCenterBatonRouge,LA70803Phone:504-388-8376FAX:504-388-8

2、344E-mail:barry@stat.lsu.eduSeptember29-October3,1997Contents1Introduction32TheDATAStep42.1TheDATASTEPprocess::::::::::::::::::::::::::::42.1.1Animplicitloop:::::::::::::::::::::::::::::42.1.2RETURN,DELETE,andOUTPUT::::::::::::::::::52.1.3CompoundStatements::

3、::::::::::::::::::::::::72.1.4DataSetOptions:::::::::::::::::::::::::::::82.1.5DROP,KEEP,andRETAIN::::::::::::::::::::::102.2Input/Output:::::::::::::::::::::::::::::::::::102.2.1ListInput:::::::::::::::::::::::::::::::::102.2.2ColumnInput::::::::::::::::::::

4、:::::::::::132.2.3PointerControlandFormattedInput:::::::::::::::::142.2.4ThePUTStatement:::::::::::::::::::::::::::182.2.5SASFormatsandInformats:::::::::::::::::::::::192.3SASFunctions::::::::::::::::::::::::::::::::::212.3.1MathematicalFunctions:::::::::::::

5、::::::::::::212.3.2RandomNumberGenerators::::::::::::::::::::::222.3.3StringFunctions:::::::::::::::::::::::::::::232.3.4DateandTimeFunctions::::::::::::::::::::::::242.3.5PUTandINPUTFunctions:::::::::::::::::::::::252.4LoopingandArrays:::::::::::::::::::::::

6、::::::::262.4.1UnivariateandMultivariateDataViews::::::::::::::::271CONTENTS22.4.2IndeterminantDOLops::::::::::::::::::::::::322.5TheNULLDataSet:::::::::::::::::::::::::::::::332.6DataStepExamples:::::::::::::::::::::::::::::::352.6.1SimpleRandomSamplingWitho

7、utReplacement:::::::::::352.6.2DataRecoding::::::::::::::::::::::::::::::363WorkingWithFiles383.1ExternalFiles:::::::::::::::::::::::::::::::::::383.1.1FTPAccess::::::::::::::::::::::::::::::::443.1.2WWWAccess::::::::::::::::::::::::::::::453.2IncludingExtern

8、alSASCode::::::::::::::::::::::::::453.3TheSASDataLibrary::::::::::::::::::::::::::::::453.3.1TheLIBNAMEStatement::::::::::::::::::::::::463.3.2LibraryProcedures::::::::::::::::::::::::::