Data Manipulation with R英文电子资料.pdf

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1、www.it-ebooks.infoDataManipulationwithRPerformgroup-wisedatamanipulationanddealwithlargedatasetsusingRefficientlyandeffectivelyJaynalAbedinBIRMINGHAM-MUMBAIwww.it-ebooks.infoDataManipulationwithRCopyright©2014PacktPublishingAllrightsreserved.Nopartofthisbookmayb

2、ereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans,withoutthepriorwrittenpermissionofthepublisher,exceptinthecaseofbriefquotationsembeddedincriticalarticlesorreviews.Everyefforthasbeenmadeinthepreparationofthisbooktoensuretheaccuracyoftheinf

3、ormationpresented.However,theinformationcontainedinthisbookissoldwithoutwarranty,eitherexpressorimplied.Neithertheauthor,norPacktPublishing,anditsdealersanddistributorswillbeheldliableforanydamagescausedorallegedtobecauseddirectlyorindirectlybythisbook.PacktPubl

4、ishinghasendeavoredtoprovidetrademarkinformationaboutallofthecompaniesandproductsmentionedinthisbookbytheappropriateuseofcapitals.However,PacktPublishingcannotguaranteetheaccuracyofthisinformation.Firstpublished:January2014ProductionReference:1080114PublishedbyP

5、acktPublishingLtd.LiveryPlace35LiveryStreetBirminghamB32PB,UK.ISBN978-1-78328-109-1www.packtpub.comCoverImagebyHuzzatulMursalin(apu_mb@yahoo.com)[FM-2]www.it-ebooks.infoCreditsAuthorCopyEditorJaynalAbedinAdityaNairReviewersProjectCoordinatorA.DhandapaniSageerPar

6、karColmanMcMahonVigneshPrajapatiProofreaderMariaGouldAcquisitionEditorsKartikeyPandeyIndexerRekhaNairOwenRobertsProductionCoordinatorCommissioningEditorNiteshThakurPriyankaShahCoverWorkTechnicalEditorsNiteshThakurMananBadaniAnkitaJha[FM-3]www.it-ebooks.infoAbout

7、theAuthorJaynalAbedincurrentlyholdsthepositionofStatisticianattheCentreforCommunicableDiseases(CCD)aticddr,b(www.icddrb.org).HeattainedhisBachelor'sandMaster'sdegreesinStatisticsfromtheUniversityofRajshahi,Rajshahi,Bangladesh.HehasvastexperienceinRprogrammingand

8、Stataandhasefficientleadershipqualities.Heiscurrentlyleadingateamofstatisticians.Hehashands-onexperienceindevelopingtrainingmaterialandfacilitatingtraininginRprogramm