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Running Randomized Evaluations

Author : Rachel Glennerster
Publisher : Princeton University Press
ISBN 13 : 140084844X
Total Pages : 480 pages
Book Rating : 4.4/5 (8 download)

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Book Synopsis Running Randomized Evaluations by : Rachel Glennerster

Download or read book Running Randomized Evaluations written by Rachel Glennerster and published by Princeton University Press. This book was released on 2013-11-24 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to running randomized impact evaluations of social programs in developing countries This book provides a comprehensive yet accessible guide to running randomized impact evaluations of social programs. Drawing on the experience of researchers at the Abdul Latif Jameel Poverty Action Lab, which has run hundreds of such evaluations in dozens of countries throughout the world, it offers practical insights on how to use this powerful technique, especially in resource-poor environments. This step-by-step guide explains why and when randomized evaluations are useful, in what situations they should be used, and how to prioritize different evaluation opportunities. It shows how to design and analyze studies that answer important questions while respecting the constraints of those working on and benefiting from the program being evaluated. The book gives concrete tips on issues such as improving the quality of a study despite tight budget constraints, and demonstrates how the results of randomized impact evaluations can inform policy. With its self-contained modules, this one-of-a-kind guide is easy to navigate. It also includes invaluable references and a checklist of the common pitfalls to avoid. Provides the most up-to-date guide to running randomized evaluations of social programs, especially in developing countries Offers practical tips on how to complete high-quality studies in even the most challenging environments Self-contained modules allow for easy reference and flexible teaching and learning Comprehensive yet nontechnical

Design and Analysis of Randomized Algorithms

Author : J. Hromkovic
Publisher : Springer Science & Business Media
ISBN 13 : 3540279032
Total Pages : 280 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Design and Analysis of Randomized Algorithms by : J. Hromkovic

Download or read book Design and Analysis of Randomized Algorithms written by J. Hromkovic and published by Springer Science & Business Media. This book was released on 2005-10-11 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systematically teaches key paradigmic algorithm design methods Provides a deep insight into randomization

Randomized Clinical Trials

Author : David Machin
Publisher : John Wiley & Sons
ISBN 13 : 0470319224
Total Pages : 375 pages
Book Rating : 4.4/5 (73 download)

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Book Synopsis Randomized Clinical Trials by : David Machin

Download or read book Randomized Clinical Trials written by David Machin and published by John Wiley & Sons. This book was released on 2010-05-20 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using examples and case studies from industry, academia and research literature, Randomized Clinical Trials provides a detailed overview of the key issues involved in designing, conducting, analysing and reporting randomized clinical trials. It examines the methodology for conducting Phase III clinical trials, developing the protocols, the practice for capturing, measuring, and analysing the resulting clinical data and their subsequent reporting. Randomized clinical trials are the principal method for determining the relative efficacy and safety of alternative treatments, interventions or medical devices. They are conducted by groups comprising one or more of pharmaceutical and allied health-care organisations, academic institutions, and charity supported research groups. In many cases such trials provide the key evidence necessary for the regulatory approval of a new product for future patient use. Randomized Clinical Trials provides comprehensive coverage of such trials, ranging from elementary to advanced level. Written by authors with considerable experience of clinical trials, Randomized Clinical Trials is an authoritative guide for clinicians, nurses, data managers and medical statisticians involved in clinical trials research and for health care professionals directly involved in patient care in a clinical trial context.

Randomized Algorithms

Author : Rajeev Motwani
Publisher : Cambridge University Press
ISBN 13 : 1139643134
Total Pages : 496 pages
Book Rating : 4.1/5 (396 download)

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Book Synopsis Randomized Algorithms by : Rajeev Motwani

Download or read book Randomized Algorithms written by Rajeev Motwani and published by Cambridge University Press. This book was released on 1995-08-25 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many applications a randomized algorithm is either the simplest algorithm available, or the fastest, or both. This tutorial presents the basic concepts in the design and analysis of randomized algorithms. The first part of the book presents tools from probability theory and probabilistic analysis that are recurrent in algorithmic applications. Algorithmic examples are given to illustrate the use of each tool in a concrete setting. In the second part of the book, each of the seven chapters focuses on one important area of application of randomized algorithms: data structures; geometric algorithms; graph algorithms; number theory; enumeration; parallel algorithms; and on-line algorithms. A comprehensive and representative selection of the algorithms in these areas is also given. This book should prove invaluable as a reference for researchers and professional programmers, as well as for students.

Randomized Response and Related Methods

Author : James Alan Fox
Publisher : SAGE Publications
ISBN 13 : 1483381021
Total Pages : 145 pages
Book Rating : 4.4/5 (833 download)

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Book Synopsis Randomized Response and Related Methods by : James Alan Fox

Download or read book Randomized Response and Related Methods written by James Alan Fox and published by SAGE Publications. This book was released on 2015-07-29 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: Randomized response is a data collection strategy specifically designed for surveys of a sensitive nature. By establishing a probabilistic connection between question and answer, randomized response and related methods protect respondents who are asked to disclose personal information. Covering a half century of theoretical and applied research, the Second Edition of James Alan Fox’s Randomized Response and Related Methods significantly updates and expands what was, at the time, the first comprehensive and practical guide to randomized response.

Randomized Algorithms for Analysis and Control of Uncertain Systems

Author : Roberto Tempo
Publisher : Springer Science & Business Media
ISBN 13 : 9781852335243
Total Pages : 376 pages
Book Rating : 4.3/5 (352 download)

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Book Synopsis Randomized Algorithms for Analysis and Control of Uncertain Systems by : Roberto Tempo

Download or read book Randomized Algorithms for Analysis and Control of Uncertain Systems written by Roberto Tempo and published by Springer Science & Business Media. This book was released on 2004-09-28 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Moving on from earlier stochastic and robust control paradigms, this book introduces the fundamentals of probabilistic methods in the analysis and design of uncertain systems. The use of randomized algorithms, guarantees a reduction in the computational complexity of classical robust control algorithms and in the conservativeness of methods like H-infinity control. Features: • self-contained treatment explaining randomized algorithms from their genesis in the principles of probability theory to their use for robust analysis and controller synthesis; • comprehensive treatment of sample generation, including consideration of the difficulties involved in obtaining independent and identically distributed samples; • applications in congestion control of high-speed communications networks and the stability of quantized sampled-data systems. This monograph will be of interest to theorists concerned with robust and optimal control techniques and to all control engineers dealing with system uncertainties.

Pragmatic Randomized Clinical Trials

Author : Cynthia J. Girman
Publisher : Academic Press
ISBN 13 : 0128176644
Total Pages : 500 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Pragmatic Randomized Clinical Trials by : Cynthia J. Girman

Download or read book Pragmatic Randomized Clinical Trials written by Cynthia J. Girman and published by Academic Press. This book was released on 2021-04-08 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pragmatic Randomized Clinical Trials Using Primary Data Collection and Electronic Health Records addresses the practical aspects and challenges of the design, implementation, and dissemination of pragmatic randomized trials, also sometimes referred to as practical or hybrid randomized trials. While less restrictive and more generalizable than traditional randomized controlled trials, such trials have specific challenges which are addressed in this book. The book contains chapters encompassing common designs along with advantages and limitations of such designs, analytic aspects in planning trials and estimating sample size, and how to use patient partners to help design and operationalize pragmatic randomized trials. Pragmatic trials conducted using primary data collection and trials embedded in electronic health records - including electronic medical records and administrative insurance claims - are addressed.This comprehensive resource is valuable not only for pharmacoepidemiologists, biostatisticians and clinical researchers, but also across the biomedical field for those who are interested in applying pragmatic randomized clinical trials in their research. - Addresses typical designs and challenges of pragmatic randomized clinical trials (pRCTs) - Encompasses analytic aspects of such trials - Discusses real cases on operational challenges in launching and conducting pRCTs in electronic health records

Randomization, Masking, and Allocation Concealment

Author : Vance Berger
Publisher : CRC Press
ISBN 13 : 1315305100
Total Pages : 251 pages
Book Rating : 4.3/5 (153 download)

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Book Synopsis Randomization, Masking, and Allocation Concealment by : Vance Berger

Download or read book Randomization, Masking, and Allocation Concealment written by Vance Berger and published by CRC Press. This book was released on 2017-10-30 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: Randomization, Masking, and Allocation Concealment is indispensable for any trial researcher who wants to use state of the art randomization methods, and also wants to be able to describe these methods correctly. Far too often the subtle nuances that distinguish proper randomization from flawed randomization are completely ignored in trial reports that state only that randomization was used, with no additional information. Experience has shown that in many cases, the type of randomization that was used was flawed. It is only a matter of time before medical journals and regulatory agencies come to realize that we can no longer rely on (or publish) flawed trials, and that flawed randomization in and of itself disqualifies a trial from being robust or high quality, even if that trial is of high quality otherwise. This book will help to clarify the role randomization plays in ensuring internal validity, and in drawing valid inferences from the data. The various chapters cover a variety of randomization methods, and are not limited to the most common (and most flawed) ones. Readers will come away with a profound understanding of what constitutes a valid randomization procedure, so that they can distinguish the valid from the flawed among not only existing methods but also methods yet to be developed.

Randomized Algorithms in Automatic Control and Data Mining

Author : Oleg Granichin
Publisher : Springer
ISBN 13 : 3642547869
Total Pages : 268 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Randomized Algorithms in Automatic Control and Data Mining by : Oleg Granichin

Download or read book Randomized Algorithms in Automatic Control and Data Mining written by Oleg Granichin and published by Springer. This book was released on 2014-07-14 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the fields of data mining and control, the huge amount of unstructured data and the presence of uncertainty in system descriptions have always been critical issues. The book Randomized Algorithms in Automatic Control and Data Mining introduces the readers to the fundamentals of randomized algorithm applications in data mining (especially clustering) and in automatic control synthesis. The methods proposed in this book guarantee that the computational complexity of classical algorithms and the conservativeness of standard robust control techniques will be reduced. It is shown that when a problem requires "brute force" in selecting among options, algorithms based on random selection of alternatives offer good results with certain probability for a restricted time and significantly reduce the volume of operations.

Randomization Tests, Fourth Edition

Author : Eugene Edgington
Publisher : CRC Press
ISBN 13 : 9780824796693
Total Pages : 444 pages
Book Rating : 4.7/5 (966 download)

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Book Synopsis Randomization Tests, Fourth Edition by : Eugene Edgington

Download or read book Randomization Tests, Fourth Edition written by Eugene Edgington and published by CRC Press. This book was released on 1995-07-25 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: The material in this work is organized in such as way as to illustrate how randomization tests are related to topics in parametric and traditional nonparametric statistics. The work extends the scope of applications by freeing tests from parametric assumptions without reducing data to ranks. This edition provides many new features, including more accessible terminology to clarify understanding, a current analysis of single-unit experiments as well as single-subject experiments, a discussion on how single-subject experiments relate to repeated-measures experiments and the use of randomized tests in single-patient research, and more.

Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques

Author : Maria Serna
Publisher : Springer Science & Business Media
ISBN 13 : 3642153682
Total Pages : 794 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques by : Maria Serna

Download or read book Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques written by Maria Serna and published by Springer Science & Business Media. This book was released on 2010-08-19 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the joint refereed proceedings of the 13th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX 2010, and the 14th International Workshop on Randomization and Computation, RANDOM 2010, held in Barcelona, Spain, in September 2010. The 28 revised full papers of the APPROX 2010 workshop and the 29 revised full papers of the RANDOM 2010 workshop included in this volume, were carefully reviewed and selected from 66 and 61 submissions, respectively. APPROX focuses on algorithmic and complexity issues surrounding the development of efficient approximate solutions to computationally difficult problems. RANDOM is concerned with applications of randomness to computational and combinatorial problems.

Design and Analysis of Randomized Algorithms

Author : J. Hromkovic
Publisher : Springer Science & Business Media
ISBN 13 : 3540239499
Total Pages : 280 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Design and Analysis of Randomized Algorithms by : J. Hromkovic

Download or read book Design and Analysis of Randomized Algorithms written by J. Hromkovic and published by Springer Science & Business Media. This book was released on 2005-06-14 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Systematically teaches key paradigmic algorithm design methods Provides a deep insight into randomization

Randomization, Approximation, and Combinatorial Optimization. Algorithms and Techniques

Author : Dorit Hochbaum
Publisher : Springer
ISBN 13 : 3540484132
Total Pages : 297 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Randomization, Approximation, and Combinatorial Optimization. Algorithms and Techniques by : Dorit Hochbaum

Download or read book Randomization, Approximation, and Combinatorial Optimization. Algorithms and Techniques written by Dorit Hochbaum and published by Springer. This book was released on 2004-04-22 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the Third International Workshop on Randomization and Approximation Techniques in Computer Science, RANDOM'99, held jointly with the Second International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX'99, in Berkeley, California in August 1999. The volume presents 24 revised full papers selected from 44 submissions and four invited contributions. The papers present a wealth of new results and document the state-of-the-art in the areas covered by the workshop.

Randomized Control Trials in the Field of Development

Author : Florent Bédécarrats
Publisher : Oxford University Press
ISBN 13 : 0192635522
Total Pages : 449 pages
Book Rating : 4.1/5 (926 download)

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Book Synopsis Randomized Control Trials in the Field of Development by : Florent Bédécarrats

Download or read book Randomized Control Trials in the Field of Development written by Florent Bédécarrats and published by Oxford University Press. This book was released on 2020-09-17 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: In October 2019, Abhijit Banerjee, Esther Duflo, and Michael Kremer jointly won the 51st Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel "for their experimental approach to alleviating global poverty." But what is the exact scope of their experimental method, known as randomized control trials (RCTs)? Which sorts of questions are RCTs able to address and which do they fail to answer? The first of its kind, Randomized Control Trials in the Field of Development: A Critical Perspective provides answers to these questions, explaining how RCTs work, what they can achieve, why they sometimes fail, how they can be improved and why other methods are both useful and necessary. Bringing together leading specialists in the field from a range of backgrounds and disciplines (economics, econometrics, mathematics, statistics, political economy, socioeconomics, anthropology, philosophy, global health, epidemiology, and medicine), it presents a full and coherent picture of the main strengths and weaknesses of RCTs in the field of development. Looking beyond the epistemological, political, and ethical differences underlying many of the disagreements surrounding RCTs, it explores the implementation of RCTs on the ground, outside of their ideal theoretical conditions and reveals some unsuspected uses and effects, their disruptive potential, but also their political uses. The contributions uncover the implicit worldview that many RCTs draw on and disseminate, and probe the gap between the method's narrow scope and its success, while also proposing improvements and alternatives. Without disputing the contribution of RCTs to scientific knowledge, Randomized Control Trials in the Field of Development warns against the potential dangers of their excessive use, arguing that the best use for RCTs is not necessarily that which immediately springs to mind. Written in plain language, this book offers experts and laypeople alike a unique opportunity to come to an informed and reasoned judgement on RCTs and what they can bring to development.

Place Randomized Trials

Author : Robert F. Boruch
Publisher : Wm. B. Eerdmans Publishing
ISBN 13 : 9781412925822
Total Pages : 296 pages
Book Rating : 4.9/5 (258 download)

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Book Synopsis Place Randomized Trials by : Robert F. Boruch

Download or read book Place Randomized Trials written by Robert F. Boruch and published by Wm. B. Eerdmans Publishing. This book was released on 2005-05 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: The phrase "evidence-based policy" is frequently used, but it's crucial that such claims are scrutinized and validated. When the data on social and behavioral interventions are presented, high-quality evidence must be clearly defined and the methodology behind such studies held to rigorous standards. Both the Cochrane Collaboration –focusing on healthcare – and the international Campbell Collaboration – concentrating on criminal justice, education, and social services – were created to develop, maintain and improve detailed guidelines for producing high-quality systematic reviews. And both organizations emphasize randomized controlled trials to evaluate the effectiveness of various interventions. As a springboard from the Campbell Collaboration initiative and supported by the Rockefeller Foundation, this special issue of The Annals includes a thorough review of randomized tests across a variety of studies. Exploring significant dimensions of place randomized trials (also called cluster randomized trials or group randomized trials), these papers shed light on recent efforts to enhance the quality of designing such trials as well as on results reporting. The research topics included in this volume are diverse. Taken together, these papers offer important insight into the nuts and bolts of conducting randomized trials: the significance of place in trials; how such studies are initiated; the incentives and justifications needed by participants; how to overcome challenges of implementation; and where to find out what studies have already been conducted or are currently underway. While providing far-reaching insight into the topic of randomized testing, these papers also identify new issues and key questions to be further addressed in future research. Scholars and policymakers alike will find this collection of rigorous research essential in understanding the implications of current evidence-based policies as well as a guidepost for designing and conducting new studies.

Approximation, Randomization and Combinatorial Optimization. Algorithms and Techniques

Author : Ashish Goel
Publisher : Springer Science & Business Media
ISBN 13 : 3540853626
Total Pages : 614 pages
Book Rating : 4.5/5 (48 download)

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Book Synopsis Approximation, Randomization and Combinatorial Optimization. Algorithms and Techniques by : Ashish Goel

Download or read book Approximation, Randomization and Combinatorial Optimization. Algorithms and Techniques written by Ashish Goel and published by Springer Science & Business Media. This book was released on 2008-08-12 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the joint refereed proceedings of the 11th International Workshop on Approximation Algorithms for Combinatorial Optimization Problems, APPROX 2008 and the 12th International Workshop on Randomization and Computation, RANDOM 2008, held in Boston, MA, USA, in August 2008. The 20 revised full papers of the APPROX 2008 workshop were carefully reviewed and selected from 42 submissions and focus on algorithmic and complexity issues surrounding the development of efficient approximate solutions to computationally difficult problems. RANDOM 2008 is concerned with applications of randomness to computational and combinatorial problems and accounts for 27 revised full papers, also diligently reviewed and selected out of 52 workshop submissions.

Advances in Randomized Parallel Computing

Author : Panos M. Pardalos
Publisher : Springer Science & Business Media
ISBN 13 : 1461332826
Total Pages : 307 pages
Book Rating : 4.4/5 (613 download)

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Book Synopsis Advances in Randomized Parallel Computing by : Panos M. Pardalos

Download or read book Advances in Randomized Parallel Computing written by Panos M. Pardalos and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technique of randomization has been employed to solve numerous prob lems of computing both sequentially and in parallel. Examples of randomized algorithms that are asymptotically better than their deterministic counterparts in solving various fundamental problems abound. Randomized algorithms have the advantages of simplicity and better performance both in theory and often in practice. This book is a collection of articles written by renowned experts in the area of randomized parallel computing. A brief introduction to randomized algorithms In the aflalysis of algorithms, at least three different measures of performance can be used: the best case, the worst case, and the average case. Often, the average case run time of an algorithm is much smaller than the worst case. 2 For instance, the worst case run time of Hoare's quicksort is O(n ), whereas its average case run time is only O( n log n). The average case analysis is conducted with an assumption on the input space. The assumption made to arrive at the O( n log n) average run time for quicksort is that each input permutation is equally likely. Clearly, any average case analysis is only as good as how valid the assumption made on the input space is. Randomized algorithms achieve superior performances without making any assumptions on the inputs by making coin flips within the algorithm. Any analysis done of randomized algorithms will be valid for all p0:.sible inputs.