getting started using sas software

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1、CHAPTER1GettingStartedUsingSASSoftware1.1TheSASLanguage21.2SASDataSets41.3TheTwoPartsofaSASProgram61.4TheDATAStep’sBuilt-inLoop81.5ChoosingaModeforSubmittingSASPrograms101.6WindowsandCommandsintheSASWindowingEnvironment121.7SubmittingaProgramintheSASWindowingEnvironment141.8ReadingtheSA

2、SLog161.9ViewingYourResultsintheOutputWindow181.10CreatingHTMLOutput201.11SASDataLibraries221.12ViewingDataSetsintheViewtableWindow241.13ViewingthePropertiesofDataSetswithSASExplorer261.14UsingSASSystemOptions282TheLittleSASBook1.1TheSASLanguageManysoftwareapplicationsareeithermenudrive

3、n,orcommanddriven(enteracommand⎯seetheresult).SASisneither.WithSAS,youusestatementstowriteaseriesofinstructionscalledaSASprogram.TheprogramcommunicateswhatyouwanttodoandiswrittenusingtheSASlanguage.Therearesomemenu-drivenfrontendstoSAS,forexampleSASEnterpriseGuidesoftware,whichmakeSASap

4、pearlikeapoint-and-clickprogram.However,thesefrontendsstillusetheSASlanguagetowriteprogramsforyou.YouwillhavemuchmoreflexibilityusingSASifyoulearntowriteyourownprogramsusingtheSASlanguage.Maybelearninganewlanguageisthelastthingyouwanttodo,butbeassuredthatalthoughthereareparallelsbetween

5、SASandlanguagesyouknow(betheyEnglishorJAVA),SASismucheasiertolearn.SASprogramsASASprogramisasequenceofstatementsexecutedinorder.AstatementgivesinformationorinstructionstoSASandmustbeappropriatelyplacedintheprogram.AneverydayanalogytoaSASprogramisatriptothebank.Youenteryourbank,standinli

6、ne,andwhenyoufinallyreachtheteller’swindow,yousaywhatyouwanttodo.Thestatementsyougivecanbewrittendownintheformofaprogram:Iwouldliketomakeawithdrawal.Myaccountnumberis0937.Iwouldlike$200.Givemefive20sandtwo50s.Notethatyoufirstsaywhatyouwanttodo,thengivealltheinformationthetellerneedstoca

7、rryoutyourrequest.Theorderofthesubsequentstatementsmaynotbeimportant,butyoumuststartwiththegeneralstatementofwhatyouwanttodo.Youwouldnot,forexample,gouptoabanktellerandsay,“Givemefive20sandtwo50s.”Thisisnotonlybadform,butwouldprobablymaketheteller’sheartskipabeatortwo.Youmustal