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Author Sen, Ashish. author Regression Analysis [electronic resource] : Theory, Methods and Applications / by Ashish Sen, Muni Srivastava Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 1990 http://dx.doi.org/10.1007/978-3-662-25092-1 XV, 348 p. 5 illus. online resource

SUMMARY

Any method of fitting equations to data may be called regression. Such equations are valuable for at least two purposes: making predictions and judging the strength of relationships. Because they provide a way of emยญ pirically identifying how a variable is affected by other variables, regression methods have become essential in a wide range of fields, including the soeial seiences, engineering, medical research and business. Of the various methods of performing regression, least squares is the most widely used. In fact, linear least squares regression is by far the most widely used of any statistical technique. Although nonlinear least squares is covered in an appendix, this book is mainly ab out linear least squares applied to fit a single equation (as opposed to a system of equations). The writing of this book started in 1982. Since then, various drafts have been used at the University of Toronto for teaching a semester-Iong course to juniors, seniors and graduate students in a number of fields, including statistics, pharmacology, pharmacology, engineering, economics, forestry and the behavยญ ioral seiences. Parts of the book have also been used in a quarter-Iong course given to Master's and Ph.D. students in public administration, urban planยญ ning and engineering at the University of Illinois at Chicago (UIC). This experience and the comments and critieisms from students helped forge the final version

CONTENT

1 Introduction -- 2 Multiple Regression -- 3 Tests and Confidence Regions -- 4 Indicator Variables -- 5 The Normality Assumption -- 6 Unequal Variances -- 7 *Correlated Errors -- 8 Outliers and Influential Observations -- 9 Transformations -- 10 Multicollinearity -- 11 Variable Selection -- 12 *Biased Estimation -- A Matrices -- A.1 Addition and Multiplication -- A.2 The Transpose of a Matrix -- A.3 Null and Identity Matrices -- A.4 Vectors -- A.5 Rank of a Matrix -- A.6 Trace of a Matrix -- A.7 Partitioned Matrices -- A.8 Determinants -- A.9 Inverses -- A.10 Characteristic Roots and Vectors -- A.11 Idempotent Matrices -- A.12 The Generalized Inverse -- A.13 Quadratic Forms -- A.14 Vector Spaces -- Problems -- B Random Variables and Random Vectors -- B.1 Random Variables -- B.1.1 Independent Random Variables -- B.1.2 Correlated Random Variables -- B.1.3 Sample Statistics -- B.1.4 Linear Combinations of Random Variables -- B.2 Random Vectors -- B.3 The Multivariate Normal Distribution -- B.4 The Chi-Square Distributions -- B.5 The F and t Distributions -- B.6 Jacobian of Transformations -- B.7 Multiple Correlation -- Problems -- C Nonlinear Least Squares -- C.1 Gauss-Newton Type Algorithms -- C.1.1 The Gauss-Newton Procedure -- C.1.2 Step Halving -- C.1.3 Starting Values and Derivatives -- C.1.4 Marquardt Procedure -- C.2 Some Other Algorithms -- C.2.1 Steepest Descent Method -- C.2.2 Quasi-Newton Algorithms -- C.2.3 The Simplex Method -- C.2.4 Weighting -- C.3 Pitfalls -- C.4 Bias, Confidence Regions and Measures of Fit -- C.5 Examples -- Problems -- Tables -- References -- Author Index

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