Regression Analysis by Example

TheessentialsofregressionanalysisthroughpracticalapplicationsRegressionanalysisisaconceptuallysimplemethodforinvestigatingrelationshipsamongvariables.Carryingoutasuccessfulapplicationofregressionanalysis,however,requiresabalanceoftheoreticalresults,empiricalrules,andsubjectivejudgement.RegressionAnalysisbyExample,FourthEditionhasbeenexpandedandthoroughlyupdatedtoreflectrecentadvancesinthefield.Theemphasiscontinuestobeonexploratorydataanalysisratherthanstatisticaltheory.Thebookoffersin-depthtreatmentofregressiondiagnostics,transformation,multicollinearity,logisticregression,androbustregression.Thisneweditionfeaturesthefollowingenhancements:Chapter12,LogisticRegression,isexpandedtoreflecttheincreaseduseofthelogitmodelsinstatisticalanalysisAnewchapterentitledFurtherTopicsdiscussesadvancedareasofregressionanalysisReorganized,expanded,andupgradedexercisesappearattheendofeachchapterAfullyintegratedWebpageprovidesdatasetsNumerousgraphicaldisplayshighlightthesignificanceofvisualappealRegressionAnalysisbyExample,FourthEditionissuitableforanyonewithanunderstandingofelementarystatistics.Methodsofregressionanalysisareclearlydemonstrated,andexamplescontainingthetypesofirregularitiescommonlyencounteredintherealworldareprovided.Eachexampleisolatesoneortwotechniquesandfeaturesdetaileddiscussionsofthetechniquesthemselves,therequiredassumptions,andtheevaluatedsuccessofeachtechnique.Themethodsdescribedthroughoutthebookcanbecarriedoutwithmostofthecurrentlyavailablestatisticalsoftwarepackages,suchasthesoftwarepackageR.AnInstructor'sManualpresentingdetailedsolutionstoalltheproblemsinthebookisavailablefromtheWileyeditorialdepartment.