Statistics in Toxicology Using R

Statistics in Toxicology Using R PDF Author: Ludwig A. Hothorn
Publisher: CRC Press
ISBN: 1498701280
Category : Mathematics
Languages : en
Pages : 253

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Book Description
The apparent contradiction between statistical significance and biological relevance has diminished the value of statistical methods as a whole in toxicology. Moreover, recommendations for statistical analysis are imprecise in most toxicological guidelines. Addressing these dilemmas, Statistics in Toxicology Using R explains the statistical analysi

Statistics in Toxicology Using R

Statistics in Toxicology Using R PDF Author: Ludwig A. Hothorn
Publisher: CRC Press
ISBN: 1498701280
Category : Mathematics
Languages : en
Pages : 253

Get Book Here

Book Description
The apparent contradiction between statistical significance and biological relevance has diminished the value of statistical methods as a whole in toxicology. Moreover, recommendations for statistical analysis are imprecise in most toxicological guidelines. Addressing these dilemmas, Statistics in Toxicology Using R explains the statistical analysi

Advanced Medical Statistics (2nd Edition)

Advanced Medical Statistics (2nd Edition) PDF Author: Ying Lu
Publisher: World Scientific
ISBN: 9814583324
Category : Medical
Languages : en
Pages : 1471

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Book Description
The book aims to provide both comprehensive reviews of the classical methods and an introduction to new developments in medical statistics. The topics range from meta analysis, clinical trial design, causal inference, personalized medicine to machine learning and next generation sequence analysis. Since the publication of the first edition, there have been tremendous advances in biostatistics and bioinformatics. The new edition tries to cover as many important emerging areas and reflect as much progress as possible. Many distinguished scholars, who greatly advanced their research areas in statistical methodology as well as practical applications, also have revised several chapters with relevant updates and written new ones from scratch.The new edition has been divided into four sections, including, Statistical Methods in Medicine and Epidemiology, Statistical Methods in Clinical Trials, Statistical Genetics, and General Methods. To reflect the rise of modern statistical genetics as one of the most fertile research areas since the publication of the first edition, the brand new section on Statistical Genetics includes entirely new chapters reflecting the state of the art in the field.Although tightly related, all the book chapters are self-contained and can be read independently. The book chapters intend to provide a convenient launch pad for readers interested in learning a specific topic, applying the related statistical methods in their scientific research and seeking the newest references for in-depth research.

Statistics for Environmental Biology and Toxicology

Statistics for Environmental Biology and Toxicology PDF Author: A. John Bailer
Publisher: Routledge
ISBN: 1351414143
Category : Mathematics
Languages : en
Pages : 596

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Book Description
Statistics for Environmental Biology and Toxicology presents and illustrates statistical methods appropriate for the analysis of environmental data obtained in biological or toxicological experiments. Beginning with basic probability and statistical inferences, this text progresses through non-linear and generalized linear models, trend testing, time-to-event data and analysis of cross-classified tabular and categorical data. For the more complex analyses, extensive examples including SAS and S-PLUS programming code are provided to assist the reader when implementing the methods in practice.

Statistical Methods in Toxicology

Statistical Methods in Toxicology PDF Author: Ludwig Hothorn
Publisher: Springer Science & Business Media
ISBN: 364248736X
Category : Medical
Languages : en
Pages : 158

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Book Description
This book contains selected papers from a workshop on modern statistical methods in toxicology held during the EUROTOX '90 conference in Leipzig. The papers deal with the biostatistical evaluation of the commonly used toxicological assays, i.e. mutagenicity, long-term carcinogenicity, embryotoxicity and chronic toxicity assays. The biological background is considered in detail, and most of the related statistical approaches described. In five overview papers, the present state of the art of the related topics is given, while in several contributed papers new approaches are discussed. The most important features are: - A new view on the per-litter analysis problem in em- bryotoxicity assays. - A highly sophisticated treatment of the so-called muta-tox problem in mutagenicity assays. - A detailed discussion of the multiplicity problem based on the closed testing procedure. This volume provides readers with an overview of modern biostatistical methods for several toxicological assays and is in part intended for direct, practical use.

Statistics for Toxicologists

Statistics for Toxicologists PDF Author: Salsburg
Publisher: CRC Press
ISBN: 9780824775902
Category : Mathematics
Languages : en
Pages : 220

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Book Description
This book explains how the computer programs work and why and when they can be applied to problems in toxicology. It discusses the statistical models used and their applications in a general fashion. The book overviews the problems that can arise from the blind use of the statistical models.

Statistical Models in Toxicology

Statistical Models in Toxicology PDF Author: Mehdi Razzaghi
Publisher: CRC Press
ISBN: 0429532350
Category : Mathematics
Languages : en
Pages : 182

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Book Description
Statistical Models in Toxicology presents an up-to-date and comprehensive account of mathematical statistics problems that occur in toxicology. This is as an exciting time in toxicology because of the attention given by statisticians to the problem of estimating the human health risk for environmental and occupational exposures. The development of modern statistical techniques with solid mathematical foundations in the 20th century and the advent of modern computers in the latter part of the century gave way to development of many statistical models and methods to describe toxicological processes and attempts to solve the associated problems. Not only have the models enjoyed a high level of elegance and sophistication mathematically, they are widely used by industry and government regulatory agencies. Features: Focuses on describing the statistical models in environmental toxicology that facilitate the assessment of risk mainly in humans. The properties and shortfalls of each model are discussed and its impact in the process of risk assessment is examined. Discusses models that assess the risk of mixtures of chemicals. Presents statistical models that are developed for risk estimation in different aspects of environmental toxicology including cancer and carcinogenic substances. Includes models for developmental and reproductive toxicity risk assessment, risk assessment in continuous outcomes and developmental neurotoxicity. Contains numerous examples and exercises. Statistical Models in Toxicology introduces a wide variety of statistical models that are currently utilized for dose-response modeling and risk analysis. These models are often developed based on design and regulatory guidelines of toxicological experiments. The book is suitable for practitioners or as use as a textbook for advanced undergraduate or graduate students of mathematics and statistics.

Statistics in Ecotoxicology

Statistics in Ecotoxicology PDF Author: Tim Sparks
Publisher: John Wiley & Sons
ISBN:
Category : Mathematics
Languages : en
Pages : 346

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Book Description
Statistics in Ecotoxicology Edited by Tim Sparks Institute ofTerrestrial Ecology, Cambridgeshire, UK A basic understanding ofstatistical concepts and methodology is essential for everyresearch scientist. Statistics in Ecotoxicology is a comprehensive,well-illustrated text, tailored to meet the needs of allecotoxicologists from undergraduates to professionals. Avoidingmathematical jargon, the book uses worked examples to enable thereader to understand the potential of, and limitations of,statistical analysis in both the planning and operation oflaboratory and field ecotoxicological experiments. This informativeand highly practical guide: * provides an invaluable introduction to the quantitative methodsfor the analysis of ecotoxicological data; * covers field experimentation, laboratory experimentation,regression methodology, multivariate methods and monitoring: * incorporates essential tips to prevent many of the common designand analytical failings in ecotoxicology; and, * includes case studies comprising of terrestrial, freshwater andmarine examples. Written by an international team of scientists, Statistics inEcotoxicology will be essential reading for all ecotoxicologists.

A Handbook of Applied Statistics in Pharmacology

A Handbook of Applied Statistics in Pharmacology PDF Author: Katsumi Kobayashi
Publisher: CRC Press
ISBN: 1466515406
Category : Mathematics
Languages : en
Pages : 226

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Book Description
Statistics plays an important role in pharmacology and related subjects such as toxicology and drug discovery and development. Improper statistical tool selection for analyzing the data obtained from studies may result in wrongful interpretation of the performance or safety of drugs. This book communicates statistical tools in simple language. The

Statistical Analysis of Ecotoxicity Studies

Statistical Analysis of Ecotoxicity Studies PDF Author: John W. Green
Publisher: John Wiley & Sons
ISBN: 1119088348
Category : Science
Languages : en
Pages : 416

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Book Description
A guide to the issues relevant to the design, analysis, and interpretation of toxicity studies that examine chemicals for use in the environment Statistical Analysis of Ecotoxicity Studies offers a guide to the design, analysis, and interpretation of a range of experiments that are used to assess the toxicity of chemicals. While the book highlights ecotoxicity studies, the methods presented are applicable to the broad range of toxicity studies. The text contains myriad datasets (from laboratory and field research) that clearly illustrate the book's topics. The datasets reveal the techniques, pitfalls, and precautions derived from these studies. The text includes information on recently developed methods for the analysis of severity scores and other ordered responses, as well as extensive power studies of competing tests and computer simulation studies of regression models that offer an understanding of the sensitivity (or lack thereof) of various methods and the quality of parameter estimates from regression models. The authors also discuss the regulatory process indicating how test guidelines are developed and review the statistical methodology in current or pending OECD and USEPA ecotoxicity guidelines. This important guide: Offers the information needed for the design and analysis to a wide array of ecotoxicity experiments and to the development of international test guidelines used to assess the toxicity of chemicals Contains a thorough examination of the statistical issues that arise in toxicity studies, especially ecotoxicity Includes an introduction to toxicity experiments and statistical analysis basics Includes programs in R and excel Covers the analysis of continuous and Quantal data, analysis of data as well as Regulatory Issues Presents additional topics (Mesocosm and Microplate experiments, mixtures of chemicals, benchmark dose models, and limit tests) as well as software Written for directors, scientists, regulators, and technicians, Statistical Analysis of Ecotoxicity Studies provides a sound understanding of the technical and practical issues in designing, analyzing, and interpreting toxicity studies to support or challenge chemicals for use in the environment.

Applications of Toxicogenomic Technologies to Predictive Toxicology and Risk Assessment

Applications of Toxicogenomic Technologies to Predictive Toxicology and Risk Assessment PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309112982
Category : Science
Languages : en
Pages : 300

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Book Description
The new field of toxicogenomics presents a potentially powerful set of tools to better understand the health effects of exposures to toxicants in the environment. At the request of the National Institute of Environmental Health Sciences, the National Research Council assembled a committee to identify the benefits of toxicogenomics, the challenges to achieving them, and potential approaches to overcoming such challenges. The report concludes that realizing the potential of toxicogenomics to improve public health decisions will require a concerted effort to generate data, make use of existing data, and study data in new waysâ€"an effort requiring funding, interagency coordination, and data management strategies.