R for Data Science

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1、www.it-ebooks.infoRforDataScienceLearnandexplorethefundamentalsofdatasciencewithRDanToomeyBIRMINGHAM-MUMBAIwww.it-ebooks.infoRforDataScienceCopyright©2014PacktPublishingAllrightsreserved.Nopartofthisbookmaybereproduced,storedinaretrievalsystem,ortransmittedinany

2、formorbyanymeans,withoutthepriorwrittenpermissionofthepublisher,exceptinthecaseofbriefquotationsembeddedincriticalarticlesorreviews.Everyefforthasbeenmadeinthepreparationofthisbooktoensuretheaccuracyoftheinformationpresented.However,theinformationcontainedinthis

3、bookissoldwithoutwarranty,eitherexpressorimplied.Neithertheauthor,norPacktPublishing,anditsdealersanddistributorswillbeheldliableforanydamagescausedorallegedtobecauseddirectlyorindirectlybythisbook.PacktPublishinghasendeavoredtoprovidetrademarkinformationaboutal

4、lofthecompaniesandproductsmentionedinthisbookbytheappropriateuseofcapitals.However,PacktPublishingcannotguaranteetheaccuracyofthisinformation.Firstpublished:December2014Productionreference:1201214PublishedbyPacktPublishingLtd.LiveryPlace35LiveryStreetBirminghamB

5、32PB,UK.ISBN978-1-78439-086-0www.packtpub.comwww.it-ebooks.infoCreditsAuthorProjectCoordinatorDanToomeyAboliAmbardekarReviewersProofreadersAmarGondaliyaJennyBlakeMohammadRafiAmeeshaGreenTengfeiYinSandraHopperCommissioningEditorIndexerAkramHussainMariammalChettiy

6、arAcquisitionEditorProductionCoordinatorSubhoGuptaArvindkumarGuptaContentDevelopmentEditorCoverWorkSumeetSawantArvindkumarGuptaTechnicalEditorsVijinBorichaMadhuriDasParagTopreCopyEditorsRoshniBanerjeeSarangChariwww.it-ebooks.infoAbouttheAuthorDanToomeyhasbeendev

7、elopingapplicationsforover20years.Hehasworkedinavarietyofindustriesandcompaniesindifferentroles,fromasolecontributortoVPandCTO.Forthelast10yearsorso,hehasbeenworkingwithcompaniesintheeasternMassachusettsarea.DanhasbeencontractingunderDanToomeySoftwareCorporation

8、asacontractordeveloperinthearea.www.it-ebooks.infoAbouttheReviewersAmarGondaliyaisdatascientistataleadinghealthcareorganization.HeisaBigDataanddataminingenthusiastand