Grob J. Linear Regression 2003

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Grob J. Linear Regression 2003

Textbook in PDF format In linear regression the ordinary least squares estimator plays a central role and sometimes one may get the impression that it is the only reasonable and applicable estimator available. Nonetheless, there exists a variety of alterna­ tives, proving useful in specific situations. Purpose and Scope. This book aims at presenting a comprehensive survey of different point estimation methods in linear regression, along with the the­ oretical background on a advanced courses level. Besides its possible use as a companion for specific courses, it should be helpful for purposes of further reading, giving detailed explanations on many topics in this field. Numerical examples and graphics will aid to deepen the insight into the specifics of the presented methods. For the purpose of self-containment, the basic theory of linear regression models and least squares is presented. The fundamentals of decision theory and matrix algebra are also included. Some prior basic knowledge, however, appears to be necessary for easy reading and understanding. Front Matter Point Estimation and Linear Regression Front Matter Fundamentals The Linear Regression Model Alternatives to Least Squares Estimation Front Matter Alternative Estimators Linear Admissibility Miscellaneous Topics Front Matter The Covariance Matrix of the Error Vector Regression Diagnostics Matrix Algebra Stochastic Vectors An Example Analysis with R Back Matter