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Statistics for Veterinary and Animal Science: The data sets from the examples in the book are available as electronic files to download from the book's companion website at www.wiley.com/go/petrie/sta

Statistics for Veterinary and Animal Science: The data sets from the examples in the book are available as electronic files to download from the book's companion website at www.wiley.com/go/petrie/sta

Authors
Publisher Wiley & Sons
Year
Pages 408
Version paperback
Language English
ISBN 9780470670750
Categories Veterinary medicine
Delivery to United States

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Book description

Banish your fears of statistical analysis using this clearly written and highly successful textbook. Statistics for Veterinary and Animal Science Third Edition is an introductory text which assumes no previous knowledge of statistics. It starts with very basic methodology and builds on it to encompass some of the more advanced techniques that are currently used. This book will enable you to handle numerical data and critically appraise the veterinary and animal science literature. Written in a non-mathematical way, the emphasis is on understanding the underlying concepts and correctly interpreting computer output, and not on working through mathematical formulae.Key features:* Flow charts are provided to enable you to choose the correct statistical analyses in different situations* Numerous real worked examples are included to help you master the procedures* Two statistical packages, SPSS and Stata, are used to analyse data to familiarise you with typical computer output* The data sets from the examples in the book are available as electronic files to download from the book's companion website at www.wiley.com/go/petrie/statisticsforvets in ASCII, Excel, SPSS, Stata and R Workspace formats, allowing you to practice using your own software and fully get to grips with the techniques* A clear indication is provided of the more advanced or obscure topics so that, if desired, you can skip them without loss of continuity.New to this edition:* New chapter on reporting guidelines relevant to veterinary medicine as a ready reference for those wanting to follow best practice in planning and writing up research* New chapter on critical appraisal of randomized controlled trials and observational studies in the published literature: a template is provided which is used to critically appraise two papers* New chapter introducing specialist topics: ethical issues of animal investigations, spatial statistics, veterinary surveillance, and statistics in molecular and quantitative genetics* Expanded glossaries of notation and terms* Additional exercises and further explanations added throughout to make the book more comprehensive.Carrying out statistical procedures and interpreting the results is an integral part of veterinary and animal science. This is the only book on statistics that is specifically written for veterinary science and animal science students, researchers and practitioners.

Statistics for Veterinary and Animal Science: The data sets from the examples in the book are available as electronic files to download from the book's companion website at www.wiley.com/go/petrie/sta

Table of contents

Preface to Third Edition ixPreface to First Edition xiPreface to Second Edition xiii1 The Whys and Wherefores of Statistics 11.1 Learning objectives 11.2 Aims of the book 11.3 What is statistics? 21.4 Statistics in veterinary and animal science 31.5 Evidence-based veterinary medicine 41.6 Types of variable 41.7 Variations in measurements 51.8 Terms relating to measurement quality 71.9 Populations and samples 91.10 Types of statistical procedures 101.11 Conclusion 10Exercises 102 Descriptive Statistics 122.1 Learning objectives 122.2 Summarizing data 122.3 Empirical frequency distributions 122.4 Tables 142.5 Diagrams 152.6 Numerical measures 192.7 Reference interval 24Exercises 253 Probability and Probability Distributions 283.1 Learning objectives 283.2 Probability 283.3 Probability distributions 303.4 Discrete probability distributions 313.5 Continuous probability distributions 333.6 Relationships between distributions 42Exercises 434 Sampling and Sampling Distributions 464.1 Learning objectives 464.2 Distinction between the sample and the population 464.3 Statistical inference 464.4 Sampling distribution of the mean 484.5 Confidence interval for a mean 504.6 Sampling distribution of the proportion 524.7 Confidence interval for a proportion 534.8 Bootstrapping and jackknifing 53Exercises 545 Experimental Design and Clinical Trials 555.1 Learning objectives 555.2 Types of study 555.3 Introducing clinical trials 595.4 Importance of design in the clinical trial 605.5 Control group 615.6 Assignment of animals to the treatment groups 625.7 Avoidance of bias in the assessment procedure 655.8 Increasing the precision of the estimates 665.9 Further considerations 68Exercises 736 An Introduction to Hypothesis Testing 756.1 Learning objectives 756.2 Introduction 756.3 Basic concepts of hypothesis testing 756.4 Type I and Type II errors 796.5 Distinction between statistical and biological significance 806.6 Confidence interval approach to hypothesis testing 816.7 Collecting our thoughts on confidence intervals 826.8 Equivalence and non-inferiority studies 82Exercises 837 Hypothesis Tests 1. The t-test: Comparing One or Two Means 857.1 Learning objectives 857.2 Requirements for hypothesis tests for comparing means 857.3 One-sample t-test 877.4 Two-sample t-test 897.5 Paired t-test 92Exercises 968 Hypothesis Tests 2. The F-test: Comparing Two Variances or More Than Two Means 1008.1 Learning objectives 1008.2 Introduction 1008.3 The F-test for the equality of two variances 1008.4 Levene's test for the equality of two or more variances 1028.5 Analysis of variance (ANOVA) for the equality of means 1028.6 One-way analysis of variance 105Exercises 1099 Hypothesis Tests 3. The Chi-squared Test: Comparing Proportions 1129.1 Learning objectives 1129.2 Introduction 1129.3 Testing a hypothesis about a single proportion 1129.4 Comparing two proportions: independent groups 1139.5 Testing associations in an r × c contingency table 1179.6 Comparing two proportions - paired observations 1209.7 Chi-squared goodness-of-fit test 122Exercises 12310 Linear Correlation and Regression 12610.1 Learning objectives 12610.2 Introducing linear correlation and regression 12610.3 Linear correlation 12710.4 Simple (univariable) linear regression 13210.5 Regression to the mean 142Exercises 14211 Further Regression Analyses 14611.1 Learning objectives 14611.2 Introduction 14611.3 Multiple linear regression 14711.4 Multiple logistic regression: a binary response variable 15411.5 Poisson regression 15911.6 Regression methods forclustered data 161Exercises 16312 Non-parametric Statistical Methods 16512.1 Learning objectives 16512.2 Parametric and non-parametric tests 16512.3 Sign test 16712.4 Wilcoxon signed rank test 16912.5 Wilcoxon rank sum test 17112.6 Non-parametric analyses of variance 17312.7 Spearman's rank correlation coefficient 175Exercises 17813 Further Aspects of Design and Analysis 18113.1 Learning objectives 18113.2 Transformations 18113.3 Sample size 18413.4 Sequential and interim analysis 18913.5 Meta-analysis 19013.6 Methods of sampling 194Exercises 19814 Additional Techniques 20014.1 Learning objectives 20014.2 Diagnostic tests 20014.3 Bayesian analysis 20814.4 Measuring agreement 21114.5 Measurements at successive points in time 21814.6 Survival analysis 22114.7 Multivariate analysis 226Exercises 22715 Some Specialized Issues and Procedures 23015.1 Learning objectives 23015.2 Introduction 23015.3 Ethical and legal issues 23015.4 Spatial statistics and geospatial information systems 23315.5 Veterinary surveillance 23715.6 Molecular and quantitative genetics 240Exercises 24216 Evidence-based Veterinary Medicine 24316.1 Learning objectives 24316.2 Introduction 24316.3 What is evidence-based veterinary medicine? 24416.4 Why has evidence-based veterinary medicine developed? 24416.5 What is involved in practising evidence-based veterinary medicine? 24516.6 Integrating evidence-based veterinary medicine into clinical practice 24916.7 Example 249Exercises 25017 Reporting Guidelines 25217.1 Learning objectives 25217.2 Introduction to reporting guidelines (EQUATOR network) 25217.3 REFLECT statement 25417.4 ARRIVE guidelines (research using laboratory animals) 25517.5 STROBE guidelines(observational studies) 25517.6 STARD statement (diagnostic accuracy) 26217.7 PRISMA statement (systematic reviews and meta-analysis) 26518 Critical Appraisal of Reported Studies 26918.1 Learning objectives 26918.2 Introduction 26918.3 A template for critical appraisal of published research involving animals 27018.4 Paper 1 27318.5 Critical appraisal of paper 1 28418.6 Paper 2 28818.7 Critical appraisal of paper 2 29718.8 General conclusion 302Solutions to Exercises 303Appendices 331A Statistical Tables 331B Tables of Confidence Intervals 347C Glossary of Notation 349D Glossary of Terms 353E Flowcharts for Selection of Appropriate Tests 376References 377Index 379

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