Service > Errata In case of any mistakes, we list them on this page. Nobody is perfect...When we realize any mistakes, we list the mistakes here.The next edition of the book will be closer to perfection.(Merriam-Webster 's Dictionary)perfect: being entirely without fault or defect Previous Next Regression Analysis [click and download the file ‘Errata’] Analysis of Variance [no mistakes reported] Discriminant Analysis [no mistakes reported] Logistic Regression [click and download the file ‘Errata’] Contingency Analysis [no mistakes reported] Factor Analysis [no mistakes reported] Cluster Analysis [click and download the file ‘Errata’] Conjoint Analysis [no mistakes reported] Learn more…MethodsServiceAbout us ContactFeedbackOrder data etc. GeneralImprintPrivacy notice