Error Components In Grouped Data

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Error Components in Grouped Data

Author : William T. Dickens
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Error Components in Grouped Data by : William T. Dickens

Download or read book Error Components in Grouped Data written by William T. Dickens and published by . This book was released on 1985 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: When estimating linear models using grouped data researchers typically weight each observation by the group size. Under the assumption that the regression errors for the underlying micro data have expected values of zero, are independent and are homoscedastic, this procedure produces best linear unbiased estimates. This note argues that for most applications in economics the assumption that errors are independent within groups is inappropriate. Since grouping is commonly done on the basis of common observed characteristics, it is inappropriate to assume that there are no unobserved characteristics in common. If group members have unobserved characteristics in common, individual errors will be correlated. If errors are correlated within groups and group sizes are large then heteroscedasticity may be relatively unimportant and weighting by group size may exacerbate heteroscedasticity rather than eliminate it. Two examples presented here suggest that this may be the effect of weighting in most non-experimental applications. In many situations unweighted ordinary least squares may be a preferred alternative. For those cases where it is not, a maximum likelihood and an asymptotically efficient two-step generalized least squares estimator are proposed. An extension of the two-step estimator for grouped binary data is also presented.

Habituation, Sensitization, and Behavior

Author : Harman Peeke
Publisher : Elsevier
ISBN 13 : 0323148565
Total Pages : 486 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Habituation, Sensitization, and Behavior by : Harman Peeke

Download or read book Habituation, Sensitization, and Behavior written by Harman Peeke and published by Elsevier. This book was released on 2012-12-02 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Habituation, Sensitization, and Behavior reviews some of the important advances that have been made toward understanding the mechanisms underlying, and the significance of, the phenomena traditionally associated with habituation, sensitization, and behavior in intact organisms. Habituation and sensitization are used to refer to underlying theoretical processes, and behavior changes are described at the response level. Comprised of 12 chapters, this book begins with an overview of approaches, constructs, and terminology used in the study of response change in the intact organism. The discussion then turns to a two-factor dual-process theory of habituation and sensitization, together with a theory of the mechanism of habituation that emphasizes the assignment of responses to stimuli. Subsequent chapters explore the link between memory and habituation; statistical strategies for analyzing repeated-measures data; cellular approaches used in the analysis of habituation and sensitization in Aplysia; and intrinsic and extrinsic mechanisms of habituation and sensitization. The habituation of central nervous system evoked potentials is also considered, with particular reference to intrinsic habituation in the neocortex, allocortex, and mesencephalon. The final chapter is devoted to evolutionary determination of response likelihood and habituation. This monograph should be of interest to practitioners in the fields of behavioral biology, psychobiology, psychology, and psychiatry.

Handbook of Labor Economics

Author : Orley Ashenfelter
Publisher : Elsevier
ISBN 13 : 0080544185
Total Pages : 930 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Handbook of Labor Economics by : Orley Ashenfelter

Download or read book Handbook of Labor Economics written by Orley Ashenfelter and published by Elsevier. This book was released on 1999-11-18 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern labor economics has continued to grow and develop since the first volumes of this Handbook were published. The subject matter of labor economics continues to have at its core an attempt to systematically find empirical analyses that are consistent with a systematic and parsimonious theoretical understanding of the diverse phenomenon that make up the labor market. As before, many of these analyses are provocative and controversial because they are so directly relevant to both public policy and private decision making. In many ways the modern development in the field of labor economics continues to set the standards for the best work in applied economics.This volume of the Handbook has a notable representation of authors - and topics of importance - from throughout the world.

Copyright Industries and the Impact of Creative Destruction

Author : Jiabo Liu
Publisher : Routledge
ISBN 13 : 0415523885
Total Pages : 314 pages
Book Rating : 4.4/5 (155 download)

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Book Synopsis Copyright Industries and the Impact of Creative Destruction by : Jiabo Liu

Download or read book Copyright Industries and the Impact of Creative Destruction written by Jiabo Liu and published by Routledge. This book was released on 2013 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drawing on Schumpeter's theory of creative destruction, the book explores whether the expansion of the duration of copyright promotes or precludes the growth of the book publishing industry. The book reviews the historical development of UK copyright expansion and also considers copyright in the digital age. By exploring legal and economic aspects of copyright protection, and the expansion of copyright duration in particular, the author suggests changes to copyright policy which would have a significant impact on the economics of innovation in the creative industries.

Statistical uses of administrative records

Author : Beth Kilss
Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Statistical uses of administrative records by : Beth Kilss

Download or read book Statistical uses of administrative records written by Beth Kilss and published by . This book was released on 1984 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Analyzing data from nonrandomized group studies

Author : Jeremy W. Bray
Publisher : RTI Press
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4./5 ( download)

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Book Synopsis Analyzing data from nonrandomized group studies by : Jeremy W. Bray

Download or read book Analyzing data from nonrandomized group studies written by Jeremy W. Bray and published by RTI Press. This book was released on 2008-11-03 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Researchers evaluating prevention and early intervention programs must often rely on diverse study designs that assign groups to various study conditions (e.g., intervention versus control). Although the strongest designs randomly assign these groups to conditions, researchers frequently must use nonrandomized research designs in which assignments are made based on the characteristics of the groups. With nonrandomized group designs, little guidance is available on how best to analyze the data. We provide guidance on which techniques work best under different data conditions and make recommendations to researchers about how to choose among the various techniques when analyzing data from a pre-test/post-test nonrandomized study. We use data from the Center for Substance Abuse Prevention’s Workplace Managed Care initiative to compare the performance of the various methods commonly applied in quasi-experimental and group assignment designs.

Risk Assessment of Power Systems

Author : Wenyuan Li
Publisher : John Wiley & Sons
ISBN 13 : 1118686705
Total Pages : 560 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Risk Assessment of Power Systems by : Wenyuan Li

Download or read book Risk Assessment of Power Systems written by Wenyuan Li and published by John Wiley & Sons. This book was released on 2014-03-24 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Extended models, methods, and applications in power system risk assessment Risk Assessment of Power Systems: Models, Methods, and Applications, Second Edition fills the gap between risk theory and real-world application. Author Wenyuan Li is a leading authority on power system risk and has more than twenty-five years of experience in risk evaluation. This book offers real-world examples to help readers learn to evaluate power system risk during planning, design, operations, and maintenance activities. Some of the new additions in the Second Edition include: New research and applied achievements in power system risk assessment A discussion of correlation models in risk evaluation How to apply risk assessment to renewable energy sources and smart grids Asset management based on condition monitoring and risk evaluation Voltage instability risk assessment and its application to system planning The book includes theoretical methods and actual industrial applications. It offers an extensive discussion of component and system models, applied methods, and practical examples, allowing readers to effectively use the basic concepts to conduct risk assessments for power systems in the real world. With every original chapter updated, two new sections added, and five entirely new chapters included to cover new trends, Risk Assessment of Power Systems is an essential reference.

Sociolinguistics / Soziolinguistik. Volume 2

Author : Ulrich Ammon
Publisher : Walter de Gruyter
ISBN 13 : 3110194252
Total Pages : 907 pages
Book Rating : 4.1/5 (11 download)

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Book Synopsis Sociolinguistics / Soziolinguistik. Volume 2 by : Ulrich Ammon

Download or read book Sociolinguistics / Soziolinguistik. Volume 2 written by Ulrich Ammon and published by Walter de Gruyter. This book was released on 2008-07-14 with total page 907 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the first edition of the handbook Sociolinguistics/Soziolinguistik , the then young discipline has changed and developed considerably. The field has left behind its status as an interdiscipline between sociology and linguistics and is now a worldwide established field. Sociolinguistics continues to contribute to solving practical problems in areas such as language planning and standardization, language policy, as well as in language didactics and speech therapy. Moreover, new topics and areas of application have arisen from the autonomy of the discipline - these have been systematically and extensively included in the second edition of the handbook. The new overall concept depicts the regional and disciplinary representativity of sociolinguistic research while offering an encyclopedia-like useablitiy for all its readers. This includes theoretical depth and stringency for readers interested in theory, as well as methodical abundance and detail for empirical researchers. The descriptions of methods are so informative and precise that they can directly be used in the preparation of project planning. Similarly, the descriptions in the practice-oriented articles are so precise that users can accurately assess to what extent they can expect a certain sociolinguistic approach to help solve their problems. With an extensive description as its goal, the second edition of the handbook Sociolinguistics/Soziolinguistik takes into account the current standing of the discipline and the modified structure of the field.

Statistics of Income and Related Administrative Record Research ...

Author : American Statistical Association. Annual Meeting
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Statistics of Income and Related Administrative Record Research ... by : American Statistical Association. Annual Meeting

Download or read book Statistics of Income and Related Administrative Record Research ... written by American Statistical Association. Annual Meeting and published by . This book was released on 1982 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Reliability Abstracts and Technical Reviews

Author : United States. National Aeronautics and Space Administration. Office of Reliability and Quality Assurance
Publisher :
ISBN 13 :
Total Pages : 580 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Reliability Abstracts and Technical Reviews by : United States. National Aeronautics and Space Administration. Office of Reliability and Quality Assurance

Download or read book Reliability Abstracts and Technical Reviews written by United States. National Aeronautics and Space Administration. Office of Reliability and Quality Assurance and published by . This book was released on 1969 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Statistics of Income and Related Administrative Record Research

Author : American Statistical Association. Meeting
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Statistics of Income and Related Administrative Record Research by : American Statistical Association. Meeting

Download or read book Statistics of Income and Related Administrative Record Research written by American Statistical Association. Meeting and published by . This book was released on 1982 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Statistical Demography and Forecasting

Author : Juha Alho
Publisher : Springer Science & Business Media
ISBN 13 : 0387283927
Total Pages : 432 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Statistical Demography and Forecasting by : Juha Alho

Download or read book Statistical Demography and Forecasting written by Juha Alho and published by Springer Science & Business Media. This book was released on 2006-05-27 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a unique introduction to demographic problems in a familiar language. Presents a unified statistical outlook on both classical methods of demography and recent developments. Exercises are included to facilitate its classroom use. Both authors have contributed extensively to statistical demography and served in advisory roles and as statistical consultants in the field.

Environmental Technology Innovation and ESG Investment

Author : Sumiko Takaoka
Publisher : Springer Nature
ISBN 13 : 9819997682
Total Pages : 140 pages
Book Rating : 4.8/5 (199 download)

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Book Synopsis Environmental Technology Innovation and ESG Investment by : Sumiko Takaoka

Download or read book Environmental Technology Innovation and ESG Investment written by Sumiko Takaoka and published by Springer Nature. This book was released on with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The methods and materials of demography

Author : Henry S. Shryock
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis The methods and materials of demography by : Henry S. Shryock

Download or read book The methods and materials of demography written by Henry S. Shryock and published by . This book was released on 1980 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Statistical Procedures for Agricultural Research

Author : Kwanchai A. Gomez
Publisher : John Wiley & Sons
ISBN 13 : 9780471870920
Total Pages : 698 pages
Book Rating : 4.8/5 (79 download)

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Book Synopsis Statistical Procedures for Agricultural Research by : Kwanchai A. Gomez

Download or read book Statistical Procedures for Agricultural Research written by Kwanchai A. Gomez and published by John Wiley & Sons. This book was released on 1984-02-17 with total page 698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here in one easy-to-understand volume are the statistical procedures and techniques the agricultural researcher needs to know in order to design, implement, analyze, and interpret the results of most experiments with crops. Designed specifically for the non-statistician, this valuable guide focuses on the practical problems of the field researcher. Throughout, it emphasizes the use of statistics as a tool of research—one that will help pinpoint research problems and select remedial measures. Whenever possible, mathematical formulations and statistical jargon are avoided. Originally published by the International Rice Research Institute, this widely respected guide has been totally updated and much expanded in this Second Edition. It now features new chapters on the analysis of multi-observation data and experiments conducted over time and space. Also included is a chapter on experiments in farmers' fields, a subject of major concern in developing countries where agricultural research is commonly conducted outside experiment stations. Statistical Procedures for Agricultural Research, Second Edition will prove equally useful to students and professional researchers in all agricultural and biological disciplines. A wealth of examples of actual experiments help readers to choose the statistical method best suited for their needs, and enable even the most complicated procedures to be easily understood and directly applied. An International Rice Research Institute Book

Monthly Weather Review

Author :
Publisher :
ISBN 13 :
Total Pages : 836 pages
Book Rating : 4.U/5 (183 download)

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Book Synopsis Monthly Weather Review by :

Download or read book Monthly Weather Review written by and published by . This book was released on 1983 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Econometric Analysis of Panel Data

Author : Badi H. Baltagi
Publisher : Springer Nature
ISBN 13 : 3030539539
Total Pages : 436 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Econometric Analysis of Panel Data by : Badi H. Baltagi

Download or read book Econometric Analysis of Panel Data written by Badi H. Baltagi and published by Springer Nature. This book was released on 2021-03-16 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook offers a comprehensive introduction to panel data econometrics, an area that has enjoyed considerable growth over the last two decades. Micro and Macro panels are becoming increasingly available, and methods for dealing with these types of data are in high demand among practitioners. Software programs have fostered this growth, including freely available programs in R and numerous user-written programs in both Stata and EViews. Written by one of the world’s leading researchers and authors in the field, Econometric Analysis of Panel Data has established itself as the leading textbook for graduate and postgraduate courses on panel data. It provides up-to-date coverage of basic panel data techniques, illustrated with real economic applications and datasets, which are available at the book’s website on springer.com. This new sixth edition has been fully revised and updated, and includes new material on dynamic panels, limited dependent variables and nonstationary panels, as well as spatial panel data. The author also provides empirical illustrations and examples using Stata and EViews. “This is a definitive book written by one of the architects of modern, panel data econometrics. It provides both a practical introduction to the subject matter, as well as a thorough discussion of the underlying statistical principles without taxing the reader too greatly." Professor Kajal Lahiri, State University of New York, Albany, USA. "This book is the most comprehensive work available on panel data. It is written by one of the leading contributors to the field, and is notable for its encyclopaedic coverage and its clarity of exposition. It is useful to theorists and to people doing applied work using panel data. It is valuable as a text for a course in panel data, as a supplementary text for more general courses in econometrics, and as a reference." Professor Peter Schmidt, Michigan State University, USA. “Panel data econometrics is in its ascendancy, combining the power of cross section averaging with all the subtleties of temporal and spatial dependence. Badi Baltagi provides a remarkable roadmap of this fascinating interface of econometric method, enticing the novitiate with technical gentleness, the expert with comprehensive coverage and the practitioner with many empirical applications.” Professor Peter C. B. Phillips, Cowles Foundation, Yale University, USA.