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1、AnIntroductiontoRNotesonR:AProgrammingEnvironmentforDataAnalysisandGraphicsVersion3.2.1(2015-06-18)W.N.Venables,D.M.SmithandtheRCoreTeamThismanualisforR,version3.2.1(2015-06-18).Copyrightc1990W.N.VenablesCopyrightc1992W.N.Venables&D.M.SmithCopyrightc1997R.Gentleman&R.IhakaC
2、opyrightc1997,1998M.MaechlerCopyrightc1999–2015RCoreTeamPermissionisgrantedtomakeanddistributeverbatimcopiesofthismanualprovidedthecopyrightnoticeandthispermissionnoticearepreservedonallcopies.Permissionisgrantedtocopyanddistributemodifiedversionsofthismanualundertheconditi
3、onsforverbatimcopying,providedthattheentireresultingderivedworkisdistributedunderthetermsofapermissionnoticeidenticaltothisone.Permissionisgrantedtocopyanddistributetranslationsofthismanualintoan-otherlanguage,undertheaboveconditionsformodifiedversions,exceptthatthispermiss
4、ionnoticemaybestatedinatranslationapprovedbytheRCoreTeam.iTableofContentsPreface:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::11Introductionandpreliminaries:::::::::::::::::::::::::::::::21.1TheRenvironment:::::::::::::::::::::::::::::::::::::::::::::::::::::
5、:::::::::::21.2Relatedsoftwareanddocumentation:::::::::::::::::::::::::::::::::::::::::::::::21.3Randstatistics::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::21.4Randthewindowsystem:::::::::::::::::::::::::::::::::::::::::::::::::::::::::31.5UsingRinter
6、actively::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::31.6Anintroductorysession::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::41.7Gettinghelpwithfunctionsandfeatures:::::::::::::::::::::::::::::::::::::::::::41.8Rcommands,casesensitivity,etc.:::
7、::::::::::::::::::::::::::::::::::::::::::::::41.9Recallandcorrectionofpreviouscommands:::::::::::::::::::::::::::::::::::::::51.10Executingcommandsfromordivertingoutputtoafile::::::::::::::::::::::::::::51.11Datapermanencyandremovingobjects:::::::::::::::::::::::::::::::::
8、::::::::::52Simplemanipulations;numbersandvectors:::::::::::::::::72.1Vectorsandas
