This is an advanced guide to multivariate regression analysis, focused specifically on the use of the stepwise method for analyzing large and complex datasets. The book is written in a clear and concise style, and provides plenty of examples and applications of the method across a wide range of disciplines, from economics and finance to biology and psychology. An essential resource for anyone who wants to master the art of regression analysis and apply it in their own research. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.