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Author: Alan Miller Publisher: CRC Press ISBN: 1420035932 Category : Mathematics Languages : en Pages : 258
Book Description
Originally published in 1990, the first edition of Subset Selection in Regression filled a significant gap in the literature, and its critical and popular success has continued for more than a decade. Thoroughly revised to reflect progress in theory, methods, and computing power, the second edition promises to continue that tradition. The author ha
Author: Alan Miller Publisher: CRC Press ISBN: 1420035932 Category : Mathematics Languages : en Pages : 258
Book Description
Originally published in 1990, the first edition of Subset Selection in Regression filled a significant gap in the literature, and its critical and popular success has continued for more than a decade. Thoroughly revised to reflect progress in theory, methods, and computing power, the second edition promises to continue that tradition. The author ha
Author: Alan J. Miller Publisher: Springer ISBN: 9781489929402 Category : Mathematics Languages : en Pages : 229
Book Description
Nearly all statistical packages, and many scientific computing libraries, contain facilities for the empirical choice of a model given a set of data and many variables or alternative models from which to select. There is an abundance of advice on how to perform the mechanics of choosing a model, much of which can only be described as folklore and some of wh ich is quite contradictory. There is a dearth of respectable theory, or even of trustworthy advice, such as recommendations based upon adequate simulations. This mono graph collects together what is known, and presents some new material on estimation. This relates almost entirely to multiple linear regression. The same problems apply to nonlinear regression, such as to the fitting of logistic regressions, to the fitting of autoregressive moving average models, or to any situation in which the same data are to be used both to choose a model and to fit it. This monograph is not a cookbook of recommendations on how to carry out stepwise regression; anyone searching for such advice in its pages will be very disappointed. I hope that it will disturb many readers and awaken them to the dangers in using automatie packages which pick a model and then use least squares to estimate regression coefficients using the same data. My own awareness of these problems was brought horne to me dramatically when fitting models for the prediction of meteorological variables such as temperature or rainfall.
Author: Alan Miller Publisher: Chapman and Hall/CRC ISBN: 9781584881711 Category : Mathematics Languages : en Pages : 256
Book Description
Originally published in 1990, the first edition of Subset Selection in Regression filled a significant gap in the literature, and its critical and popular success has continued for more than a decade. Thoroughly revised to reflect progress in theory, methods, and computing power, the second edition promises to continue that tradition. The author has thoroughly updated each chapter, incorporated new material on recent developments, and included more examples and references. New in the Second Edition: A separate chapter on Bayesian methods Complete revision of the chapter on estimation A major example from the field of near infrared spectroscopy More emphasis on cross-validation Greater focus on bootstrapping Stochastic algorithms for finding good subsets from large numbers of predictors when an exhaustive search is not feasible Software available on the Internet for implementing many of the algorithms presented More examples Subset Selection in Regression, Second Edition remains dedicated to the techniques for fitting and choosing models that are linear in their parameters and to understanding and correcting the bias introduced by selecting a model that fits only slightly better than others. The presentation is clear, concise, and belongs on the shelf of anyone researching, using, or teaching subset selecting techniques.
Author: David Boyce Publisher: Springer Science & Business Media ISBN: 3642463118 Category : Mathematics Languages : en Pages : 203
Book Description
In the course of one's research, the expediency of meeting contractual and other externally imposed deadlines too often seems to take priority over what may be more significant research findings in the longer run. Such is the case with this volume which, despite our best intentions, has been put aside time and again since 1971 in favor of what seemed to be more urgent matters. Despite this delay, to our knowledge the principal research results and documentation presented here have not been superseded by other publications. The background of this endeavor may be of some historical interest, especially to those who agree that research is not a straightforward, mechanistic process whose outcome or even direction is known in ad vance. In the process of this brief recounting, we would like to express our gratitude to those individuals and organizations who facilitated and supported our efforts. We were introduced to the Beale, Kendall and Mann algorithm, the source of all our efforts, quite by chance. Professor Britton Harris suggested to me in April 1967 that I might like to attend a CEIR half-day seminar on optimal regression being given by Professor M. G. Kendall in Washington. D. C. I agreed that the topic seemed interesting and went along. Had it not been for Harris' suggestion and financial support, this work almost certainly would have never begun.
Author: Max Kuhn Publisher: CRC Press ISBN: 1351609467 Category : Business & Economics Languages : en Pages : 266
Book Description
The process of developing predictive models includes many stages. Most resources focus on the modeling algorithms but neglect other critical aspects of the modeling process. This book describes techniques for finding the best representations of predictors for modeling and for nding the best subset of predictors for improving model performance. A variety of example data sets are used to illustrate the techniques along with R programs for reproducing the results.
Author: Shanti S. Gupta Publisher: ISBN: Category : Languages : en Pages : 14
Book Description
In the past decade a number of methods have been developed for selecting the 'best' or at least a 'good' subset of variables in regression analysis. For various reasons, one may be interested in selecting a random size subset excluding all inferior independent variables. The authors are interested in deriving a selection procedure to the goal. Some results on the efficiency of the procedure are also discussed.
Author: Agency for Health Care Research and Quality (U.S.) Publisher: Government Printing Office ISBN: 1587634236 Category : Medical Languages : en Pages : 236
Book Description
This User’s Guide is a resource for investigators and stakeholders who develop and review observational comparative effectiveness research protocols. It explains how to (1) identify key considerations and best practices for research design; (2) build a protocol based on these standards and best practices; and (3) judge the adequacy and completeness of a protocol. Eleven chapters cover all aspects of research design, including: developing study objectives, defining and refining study questions, addressing the heterogeneity of treatment effect, characterizing exposure, selecting a comparator, defining and measuring outcomes, and identifying optimal data sources. Checklists of guidance and key considerations for protocols are provided at the end of each chapter. The User’s Guide was created by researchers affiliated with AHRQ’s Effective Health Care Program, particularly those who participated in AHRQ’s DEcIDE (Developing Evidence to Inform Decisions About Effectiveness) program. Chapters were subject to multiple internal and external independent reviews. More more information, please consult the Agency website: www.effectivehealthcare.ahrq.gov)
Author: Alan Miller
Author: Alan Miller
Author: Alan J. Miller
Author: Alan Miller
Author: David Boyce
Author: Max Kuhn
Author: George P McCabe (Jr)
Author: Dimitris Bertsimas
Author: Shanti S. Gupta
Author: Agency for Health Care Research and Quality (U.S.)
Author: Jingna Xia