Python_for_Data_Analysis .pdf

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1、PythonforDataAnalysisWesMcKinneyBeijing•Cambridge•Farnham•Köln•Sebastopol•TokyoPythonforDataAnalysisbyWesMcKinneyCopyright©2010O’ReillyMedia.Allrightsreserved.PrintedintheUnitedStatesofAmerica.PublishedbyO’ReillyMedia,Inc.,1005GravensteinHighwayNorth,Sebastopol,CA95472.O’Reillybooksmaybepurcha

2、sedforeducational,business,orsalespromotionaluse.Onlineeditionsarealsoavailableformosttitles(http://my.safaribooksonline.com).Formoreinformation,contactourcorporate/institutionalsalesdepartment:(800)998-9938orcorporate@oreilly.com.Editor:JulieSteeleIndexer:ProductionEditor:CoverDesigner:Copyed

3、itor:InteriorDesigner:FIXME!Proofreader:FIXME!Illustrator:RobertRomanoRevisionHistoryforthe:2012-05-07Earlyreleaserevision1Seehttp://oreilly.com/catalog/errata.csp?isbn=9781449319793forreleasedetails.NutshellHandbook,theNutshellHandbooklogo,andtheO’ReillylogoareregisteredtrademarksofO’ReillyMe

4、dia,Inc.!!FILLTHISIN!!andrelatedtradedressaretrademarksofO’ReillyMedia,Inc.Manyofthedesignationsusedbymanufacturersandsellerstodistinguishtheirproductsareclaimedastrademarks.Wherethosedesignationsappearinthisbook,andO’ReillyMedia,Inc.wasawareofatrademarkclaim,thedesignationshavebeenprintedinca

5、psorinitialcaps.Whileeveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherandauthorsassumenoresponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcon-tainedherein.ISBN:978-1-449-31979-3[?]1336408413TableofContentsPreface.................................

6、....................................ix1.Preliminaries...........................................................1Whatisthisbookabout?1WhyPythonforDataAnalysis?2Getthingsdone,fast2Batteriesincluded3Pythonasglue3Solvingthe"two-language"problem3EmbeddingPythoninLargerSystems3WhynotPython?3Essenti

7、alPythonLibraries4NumPy4pandas5SciPy5matplotlib6IPython6InstallationandSetup7GettingPython7InstallingPythonPackages7Packagesyou'llneed8Gettinghelp8Findingnewpackages8IntegratedDevelopmentEnvironments(IDEs)9Navigatingthisbook9Namingconve