Data Wrangling with Python
Fordatatobeusefulandmeaningful,itmustbecuratedandrefined.DataWranglingwithPythonteachesyouthecoreideasbehindtheseprocessesandequipsyouwithknowledgeofthemostpopulartoolsandtechniquesinthedomain.ThebookstartswiththeabsolutebasicsofPython,focusingmainlyondatastructures.ItthendelvesintothefundamentaltoolsofdatawranglinglikeNumPyandPandaslibraries.You’llexploreusefulinsightsintowhyyoushouldstayawayfromtraditionalwaysofdatacleaning,asdoneinotherlanguages,andtakeadvantageofthespecializedpre-builtroutinesinPython.ThiscombinationofPythontipsandtrickswillalsodemonstratehowtousethesamePythonbackendandextract/transformdatafromanarrayofsourcesincludingtheInternet,largedatabasevaults,andExcelfinancialtables.Tohelpyouprepareformorechallengingscenarios,you’llcoverhowtohandlemissingorwrongdata,andreformatitbasedontherequirementsfromthedownstreamanalyticstool.Thebookwillfurtherhelpyougraspconceptsthroughreal-worldexamplesanddatasets.Bytheendofthisbook,youwillbeconfidentinusingadiversearrayofsourcestoextract,clean,transform,andformatyourdataefficiently.
·6.4萬字
