Estimation Of Totals For Skewed Populations In Repeated Agricultural Surveys

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Estimation of Totals for Skewed Populations in Repeated Agricultural Surveys

Author : Boonchai Viroonsri
Publisher :
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4.:/5 (243 download)

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Book Synopsis Estimation of Totals for Skewed Populations in Repeated Agricultural Surveys by : Boonchai Viroonsri

Download or read book Estimation of Totals for Skewed Populations in Repeated Agricultural Surveys written by Boonchai Viroonsri and published by . This book was released on 1990 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The National Agricultural Statistical Service (NASS) conducts quarterly surveys for estimation of some primary commodities produced on farms and ranches. The commodities often have highly skewed distributions with a few farms producing very large amounts. NASS uses dual sampling frames comprised of the list frame for efficient stratification and the area frame for estimation of the part (nonoverlap) of the population that is not included in the list frame. Because the area frame sampling probabilities are relatively small, a few large observations in the nonoverlap sample can greatly influence the usual direct expansion (DE) estimates for population totals. The purpose of this thesis is to investigate modifications of the usual DE estimators which could produce more efficient estimators for the NASS quarterly surveys. An empirical Bayes approach is used as a method for including estimates from previous quarterly surveys to help stabilize the estimate for the current survey. Another approach is to right-censor the very large expanded observations in the nonoverlap sample to produce a censored direct expansion (CDE) estimator. A bias adjustment, formed as the ratio of the DE and CDE sums over the repeated surveys, is applied to the CDE estimator to produce the adjusted censored direct expansion (ACDE) estimator. The empirical Bayes technique is then applied to the ACDE estimates. The empirical Bayes and censored estimates are calculated for total hogs and pigs in the nine quarterly surveys: March 1987-March 1989 from Indiana, Iowa, and Ohio. A bootstrap method is constructed to estimate and compare the biases, standard errors, and root mean square errors (RMSE's) of the various estimators. Only a slight reduction in RMSE resulted from censoring the very large expanded observations in the nonoverlap sample. Application of the empirical Bayes technique to either the DE or the ACDE estimators reduced the average RMSE by about 10% in each of the three states.

Estimation of Population Totals for Highly Skewed Populations in Repeated Surveys

Author : Harold F. Huddleston
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (32 download)

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Book Synopsis Estimation of Population Totals for Highly Skewed Populations in Repeated Surveys by : Harold F. Huddleston

Download or read book Estimation of Population Totals for Highly Skewed Populations in Repeated Surveys written by Harold F. Huddleston and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Journal of the American Statistical Association

Author :
Publisher :
ISBN 13 :
Total Pages : 1310 pages
Book Rating : 4.4/5 (91 download)

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Book Synopsis Journal of the American Statistical Association by :

Download or read book Journal of the American Statistical Association written by and published by . This book was released on 1992 with total page 1310 pages. Available in PDF, EPUB and Kindle. Book excerpt: A scientific and educational journal not only for professional statisticians but also for economists, business executives, research directors, government officials, university professors, and others who are seriously interested in the application of statistical methods to practical problems, in the development of more useful methods, and in the improvement of basic statistical data.

Proceedings of the Section on Survey Research Methods

Author : American Statistical Association. Survey Research Methods Section
Publisher :
ISBN 13 :
Total Pages : 796 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings of the Section on Survey Research Methods by : American Statistical Association. Survey Research Methods Section

Download or read book Proceedings of the Section on Survey Research Methods written by American Statistical Association. Survey Research Methods Section and published by . This book was released on 1990 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers presented at the annual meeting of the American Statistical Association.

Bulletin - Institute of Mathematical Statistics

Author : Institute of Mathematical Statistics
Publisher :
ISBN 13 :
Total Pages : 646 pages
Book Rating : 4.:/5 (42 download)

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Book Synopsis Bulletin - Institute of Mathematical Statistics by : Institute of Mathematical Statistics

Download or read book Bulletin - Institute of Mathematical Statistics written by Institute of Mathematical Statistics and published by . This book was released on 1991 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Agricultural Survey Methods

Author : Roberto Benedetti
Publisher : John Wiley & Sons
ISBN 13 : 9780470665466
Total Pages : 434 pages
Book Rating : 4.6/5 (654 download)

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Book Synopsis Agricultural Survey Methods by : Roberto Benedetti

Download or read book Agricultural Survey Methods written by Roberto Benedetti and published by John Wiley & Sons. This book was released on 2010-03-18 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Due to the widespread use of surveys in agricultural resources estimation there is a broad and recognizable interest in methods and techniques to collect and process agricultural data. This book brings together the knowledge of academics and experts to increase the dissemination of the latest developments in agricultural statistics. Conducting a census, setting up frames and registers and using administrative data for statistical purposes are covered and issues arising from sample design and estimation, use of remote sensing, management of data quality and dissemination and analysis of survey data are explored. Key features: Brings together high quality research on agricultural statistics from experts in this field. Provides a thorough and much needed overview of developments within agricultural statistics. Contains summaries for each chapter, providing a valuable reference framework for those new to the field. Based upon a selection of key methodological papers presented at the ICAS conference series, updated and expanded to address current issues. Covers traditional statistical methodologies including sampling and weighting. This book provides a much needed guide to conducting surveys of land use and to the latest developments in agricultural statistics. Statisticians interested in agricultural statistics, agricultural statisticians in national statistics offices and statisticians and researchers using survey methodology will benefit from this book.

Sampling Statistics

Author : Wayne A. Fuller
Publisher : John Wiley & Sons
ISBN 13 : 1118211111
Total Pages : 321 pages
Book Rating : 4.1/5 (182 download)

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Book Synopsis Sampling Statistics by : Wayne A. Fuller

Download or read book Sampling Statistics written by Wayne A. Fuller and published by John Wiley & Sons. This book was released on 2011-09-20 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discover the latest developments and current practices in survey sampling Survey sampling is an important component of research in many fields, and as the importance of survey sampling continues to grow, sophisticated sampling techniques that are both economical and scientifically reliable are essential to planning statistical research and the design of experiments. Sampling Statistics presents estimation techniques and sampling concepts to facilitate the application of model-based procedures to survey samples. The book begins with an introduction to standard probability sampling concepts, which provides the foundation for studying samples selected from a finite population. The development of the theory of complex sampling methods is detailed, and subsequent chapters explore the construction of estimators, sample design, replication variance estimation, and procedures such as nonresponse adjustment and small area estimation where models play a key role. A final chapter covers analytic studies in which survey data are used for the estimation of parameters for a subject matter model. The author draws upon his extensive experience with survey samples in the book's numerous examples. Both the production of "general use" databases and the analytic study of a limited number of characteristics are discussed. Exercises at the end of each chapter allow readers to test their comprehension of the presented concepts and techniques, and the references provide further resources for study. Sampling Statistics is an ideal book for courses in survey sampling at the graduate level. It is also a valuable reference for practicing statisticians who analyze survey data or are involved in the design of sample surveys.

Contributions to Sampling Statistics

Author : Fulvia Mecatti
Publisher : Springer
ISBN 13 : 3319053205
Total Pages : 236 pages
Book Rating : 4.3/5 (19 download)

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Book Synopsis Contributions to Sampling Statistics by : Fulvia Mecatti

Download or read book Contributions to Sampling Statistics written by Fulvia Mecatti and published by Springer. This book was released on 2014-06-02 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a selection of the papers presented at the ITACOSM 2013 Conference, held in Milan in June 2013. It is intended as an international forum of scientific discussion on the developments of theory and application of survey sampling methodologies and applications in human and natural sciences. The book gathers research papers carefully selected from both invited and contributed sessions of the conference. The whole book appears to be a relevant contribution to various key aspects of sampling methodology and techniques; it deals with some hot topics in sampling theory, such as calibration, quantile-regression and multiple frame surveys and with innovative methodologies in important topics of both sampling theory and applications. Contributions cut across current sampling methodologies such as interval estimation for complex samples, randomized responses, bootstrap, weighting, modeling, imputation, small area estimation and effective use of auxiliary information; applications cover a wide and enlarging range of subjects in official household surveys, Bayesian networks, auditing, business and economic surveys, geostatistics and agricultural statistics. The book is an updated, high level reference survey addressed to researchers, professionals and practitioners in many fields.

Survey Methodology

Author :
Publisher :
ISBN 13 :
Total Pages : 306 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Survey Methodology by :

Download or read book Survey Methodology written by and published by . This book was released on 2005 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissertation Abstracts International

Author :
Publisher :
ISBN 13 :
Total Pages : 774 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2006 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Methods in Survey Research

Author : Paul J. Lavrakas
Publisher : John Wiley & Sons
ISBN 13 : 1119083753
Total Pages : 544 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Experimental Methods in Survey Research by : Paul J. Lavrakas

Download or read book Experimental Methods in Survey Research written by Paul J. Lavrakas and published by John Wiley & Sons. This book was released on 2019-10-01 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: A thorough and comprehensive guide to the theoretical, practical, and methodological approaches used in survey experiments across disciplines such as political science, health sciences, sociology, economics, psychology, and marketing This book explores and explains the broad range of experimental designs embedded in surveys that use both probability and non-probability samples. It approaches the usage of survey-based experiments with a Total Survey Error (TSE) perspective, which provides insight on the strengths and weaknesses of the techniques used. Experimental Methods in Survey Research: Techniques that Combine Random Sampling with Random Assignment addresses experiments on within-unit coverage, reducing nonresponse, question and questionnaire design, minimizing interview measurement bias, using adaptive design, trend data, vignettes, the analysis of data from survey experiments, and other topics, across social, behavioral, and marketing science domains. Each chapter begins with a description of the experimental method or application and its importance, followed by reference to relevant literature. At least one detailed original experimental case study then follows to illustrate the experimental method’s deployment, implementation, and analysis from a TSE perspective. The chapters conclude with theoretical and practical implications on the usage of the experimental method addressed. In summary, this book: Fills a gap in the current literature by successfully combining the subjects of survey methodology and experimental methodology in an effort to maximize both internal validity and external validity Offers a wide range of types of experimentation in survey research with in-depth attention to their various methodologies and applications Is edited by internationally recognized experts in the field of survey research/methodology and in the usage of survey-based experimentation —featuring contributions from across a variety of disciplines in the social and behavioral sciences Presents advances in the field of survey experiments, as well as relevant references in each chapter for further study Includes more than 20 types of original experiments carried out within probability sample surveys Addresses myriad practical and operational aspects for designing, implementing, and analyzing survey-based experiments by using a Total Survey Error perspective to address the strengths and weaknesses of each experimental technique and method Experimental Methods in Survey Research: Techniques that Combine Random Sampling with Random Assignment is an ideal reference for survey researchers and practitioners in areas such political science, health sciences, sociology, economics, psychology, public policy, data collection, data science, and marketing. It is also a very useful textbook for graduate-level courses on survey experiments and survey methodology.

1993 Research Conference on Undercounted Ethnic Populations

Author :
Publisher :
ISBN 13 :
Total Pages : 572 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis 1993 Research Conference on Undercounted Ethnic Populations by :

Download or read book 1993 Research Conference on Undercounted Ethnic Populations written by and published by . This book was released on 1993 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Estimating Population Totals from Area Frame Samples

Author : Abderrazak Garoui
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (138 download)

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Book Synopsis Estimating Population Totals from Area Frame Samples by : Abderrazak Garoui

Download or read book Estimating Population Totals from Area Frame Samples written by Abderrazak Garoui and published by . This book was released on 1985 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Area frame sampling for agricultural statistics is a procedure currently used by the Statistical Reporting Service of the US Department of Agriculture as well as by agriculture departments in other countries. A primary advantage of the area frame is that it provides complete coverage of the population. In area frame sampling the total area is divided into segments of land that form the sampling units. These segments are delineated by the use of detailed maps and aerial photography. The reporting units, however, are not the segments but are the farms. Since there will be many cases where farms overlap the boundaries of the segments, there have to be rules for assigning data from the farms to the sample segments. Previously used procedures for making this assignment are the open segment method, where the total farm value is assigned to the segment that contains the farm headquarters, the closed segment method, where the actual value associated with the tracts of land contained within the segment is used, and the weighted segment method, where the total farm value is weighted by the proportion of the farm area that is contained in the segment. In this thesis, a general linear unbiased estimator is formulated that includes all previously used methods as special cases. These methods are compared in terms of variance and cost. The optimal estimator depends on the amount and type of overlap of farms with segment boundaries, so it is not possible to give an estimator that is always to be preferred. However, comparisons are made under some special assumptions that, while not particularly realistic, do give insight into conditions affecting the methods and show that the multiplicity rule is an important method to consider.

Business Survey Methods

Author : Brenda G. Cox
Publisher : John Wiley & Sons
ISBN 13 : 1118150538
Total Pages : 762 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis Business Survey Methods by : Brenda G. Cox

Download or read book Business Survey Methods written by Brenda G. Cox and published by John Wiley & Sons. This book was released on 2011-09-20 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: Consists of invited papers, from internationally recognized researchers, chosen for their quality as well as their overall unity. Describes current methods along with innovative research and presents new technologies for solving problems unique to establishment surveys. Stages of the survey process are addressed in the first five parts with cross-cutting topics in the last section.

Sample Surveys: Design, Methods and Applications

Author :
Publisher : Elsevier
ISBN 13 : 0080932215
Total Pages : 723 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Sample Surveys: Design, Methods and Applications by :

Download or read book Sample Surveys: Design, Methods and Applications written by and published by Elsevier. This book was released on 2009-08-31 with total page 723 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new handbook contains the most comprehensive account of sample surveys theory and practice to date. It is a second volume on sample surveys, with the goal of updating and extending the sampling volume published as volume 6 of the Handbook of Statistics in 1988. The present handbook is divided into two volumes (29A and 29B), with a total of 41 chapters, covering current developments in almost every aspect of sample surveys, with references to important contributions and available software. It can serve as a self contained guide to researchers and practitioners, with appropriate balance between theory and real life applications. Each of the two volumes is divided into three parts, with each part preceded by an introduction, summarizing the main developments in the areas covered in that part. Volume 29A deals with methods of sample selection and data processing, with the later including editing and imputation, handling of outliers and measurement errors, and methods of disclosure control. The volume contains also a large variety of applications in specialized areas such as household and business surveys, marketing research, opinion polls and censuses. Volume 29B is concerned with inference, distinguishing between design-based and model-based methods and focusing on specific problems such as small area estimation, analysis of longitudinal data, categorical data analysis and inference on distribution functions. The volume contains also chapters dealing with case-control studies, asymptotic properties of estimators and decision theoretic aspects. Comprehensive account of recent developments in sample survey theory and practice Discusses a wide variety of diverse applications Comprehensive bibliography

Sampling

Author : Sharon L. Lohr
Publisher : CRC Press
ISBN 13 : 1000022544
Total Pages : 613 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Sampling by : Sharon L. Lohr

Download or read book Sampling written by Sharon L. Lohr and published by CRC Press. This book was released on 2019-04-08 with total page 613 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edition is a reprint of the second edition published by Cengage Learning, Inc. Reprinted with permission. What is the unemployment rate? How many adults have high blood pressure? What is the total area of land planted with soybeans? Sampling: Design and Analysis tells you how to design and analyze surveys to answer these and other questions. This authoritative text, used as a standard reference by numerous survey organizations, teaches sampling using real data sets from social sciences, public opinion research, medicine, public health, economics, agriculture, ecology, and other fields. The book is accessible to students from a wide range of statistical backgrounds. By appropriate choice of sections, it can be used for a graduate class for statistics students or for a class with students from business, sociology, psychology, or biology. Readers should be familiar with concepts from an introductory statistics class including linear regression; optional sections contain the statistical theory, for readers who have studied mathematical statistics. Distinctive features include: More than 450 exercises. In each chapter, Introductory Exercises develop skills, Working with Data Exercises give practice with data from surveys, Working with Theory Exercises allow students to investigate statistical properties of estimators, and Projects and Activities Exercises integrate concepts. A solutions manual is available. An emphasis on survey design. Coverage of simple random, stratified, and cluster sampling; ratio estimation; constructing survey weights; jackknife and bootstrap; nonresponse; chi-squared tests and regression analysis. Graphing data from surveys. Computer code using SAS® software. Online supplements containing data sets, computer programs, and additional material. Sharon Lohr, the author of Measuring Crime: Behind the Statistics, has published widely about survey sampling and statistical methods for education, public policy, law, and crime. She has been recognized as Fellow of the American Statistical Association, elected member of the International Statistical Institute, and recipient of the Gertrude M. Cox Statistics Award and the Deming Lecturer Award. Formerly Dean’s Distinguished Professor of Statistics at Arizona State University and a Vice President at Westat, she is now a freelance statistical consultant and writer. Visit her website at www.sharonlohr.com.

World Programme for the Census of Agriculture 2020

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
ISBN 13 : 9251310327
Total Pages : 350 pages
Book Rating : 4.2/5 (513 download)

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Book Synopsis World Programme for the Census of Agriculture 2020 by : Food and Agriculture Organization of the United Nations

Download or read book World Programme for the Census of Agriculture 2020 written by Food and Agriculture Organization of the United Nations and published by Food & Agriculture Org.. This book was released on 2019-02-04 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: FAO has supported member countries to carry out their national agricultural censuses since 1945, through the development and dissemination of international standards, concepts, definitions and methodologies as well as technical assistance. In 2015, FAO published Volume 1 of the World Programme for the Census of Agriculture 2020 (WCA 2020) “Programme, concepts and definitions”, the tenth decennial programme that provides guidelines for implementation of national agricultural censuses in the 2016-2025 decade. Volume 1 deals with the methodological and conceptual aspects of the census of agriculture. In addition to the use of international standards, the proper conduct of an agricultural census also depends on adequate planning, implementation, use of resources and quality assurance throughout all stages of the census. In light of this, Volume 2 of WCA 2020 “Operational guidelines” has been designed to guide national census practitioners responsible for conducting the agricultural census. It deals with the practical steps involved in actually conducting an agricultural census in the field. Volume 2 is a revised and updated edition of “Conducting Agricultural Censuses and Surveys”, published by FAO in 1996. The revision is opportune not only in view of the recent publication of the new census programme and methodology but also in view of the substantial changes witnessed in the census technological environment over the last two decades. The availability of digital, mobile and more affordable tools for data capture, geo-positioning, remote sensing imaging, digital archiving and online dissemination have provided new cost-effective alternatives to traditional ways of conducting the agricultural census.