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1、StatisticsTheRSeries“TheauthorhasbecomeoneoftheforemostauthoritiesonthisAdvancedRtopicandiswellknownandappreciatedthroughouttheentireRcommunity.Thisisthegreatstrengthofthebookandtheprimaryreasonitdeservestobepublished.Itaddressesatopicwherethereisalreadyagrowingnumberofbooks,but
2、fewhavethedepth,thetechnicalaccuracy,andtheauthorityofthisone.”AdvancedR—BillVenables,CSIROAdvancedRpresentsusefultoolsandtechniquesforattackingmanytypesofRprogrammingproblems,helpingyouavoidmis-takesanddeadends.Withmorethantenyearsofexperiencepro-gramminginR,theauthorillustrate
3、stheelegance,beauty,andflex-ibilityattheheartofR.Thebookdevelopsthenecessaryskillstoproducequalitycodethatcanbeusedinavarietyofcircumstances.Youwilllearn:•ThefundamentalsofR,includingstandarddatatypesandfunctions•Functionalprogrammingasausefulframeworkforsolvingwideclassesofprob
4、lems•Thepositivesandnegativesofmetaprogramming•Howtowritefast,memory-efficientcodeThisbooknotonlyhelpscurrentRusersbecomeRprogrammersbutalsoshowsexistingprogrammerswhat’sspecialaboutR.Inter-mediateRprogrammerscandivedeeperintoRandlearnnewstrat-egiesforsolvingdiverseproblemswhile
5、programmersfromotherWickhamlanguagescanlearnthedetailsofRandunderstandwhyRworksthewayitdoes.HadleyWickhamK20319www.crcpress.comK20319_cover.indd18/20/143:21PMK20319_FM.indd48/25/1412:28PMAdvancedRK20319_FM.indd18/25/1412:28PMChapman&Hall/CRCTheRSeriesSeriesEditorsJohnM.ChambersT
6、orstenHothornDepartmentofStatisticsDivisionofBiostatisticsStanfordUniversityUniversityofZurichStanford,California,USASwitzerlandDuncanTempleLangHadleyWickhamDepartmentofStatisticsRStudioUniversityofCalifornia,DavisBoston,Massachusetts,USADavis,California,USAAimsandScopeThisbooks
7、eriesreflectstherecentrapidgrowthinthedevelopmentandapplicationofR,theprogramminglanguageandsoftwareenvironmentforstatisticalcomputingandgraphics.Risnowwidelyusedinacademicresearch,education,andindustry.Itisconstantlygrowing,withnewversionsofthecoresoftwarereleasedregularlyandmo
8、rethan5,000packagesavailable.Itisdifficultforth