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Other titles in the Wiley Series in Probability and Statistics series:
A Primer on Experiments with Mixtures (Wiley Series in Probability and Statistics)by John A. Cornell
Synopses & ReviewsPublisher Comments:The concise yet authoritative presentation of key techniques for basic mixtures experiments
Inspired by the author's bestselling advanced book on the topic, A Primer on Experiments with Mixtures provides an introductory presentation of the key principles behind experimenting with mixtures. Outlining useful techniques through an applied approach with examples from real research situations, the book supplies a comprehensive discussion of how to design and set up basic mixture experiments, then analyze the data and draw inferences from results. Drawing from his extensive experience teaching the topic at various levels, the author presents the mixture experiments in an easytofollow manner that is void of unnecessary formulas and theory. Succinct presentations explore key methods and techniques for carrying out basic mixture experiments, including:
Each chapter concludes with a summary and appendices with details on the technical aspects of the material. Throughout the book, exercise sets with selected answers allow readers to test their comprehension of the material, and References and Recommended Reading sections outline further resources for study of the presented topics. A Primer on Experiments with Mixtures is an excellent book for onesemester courses on mixture designs and can also serve as a supplement for design of experiments courses at the upperundergraduate and graduate levels. It is also a suitable reference for practitioners and researchers who have an interest in experiments with mixtures and would like to learn more about the related mixture designs and models. Book News Annotation:Experiments with Mixtures, published in 1981, was a modest 305 pages, says Cornell (emeritus, statistics, U. of Florida), but by the 2002 third edition, it had grown to 649 pages. Now he thinks that is a lot more material than is really necessary for a onesemester graduate or advanced undergraduate introduction, so he trimmed it back, and gave it a new name. The topics are designs and models for exploring the entire simplex factor space, multiple constraints on the component proportions, analyzing mixture data, other mixture model forms, including process variable in mixture experiments, and a review of least squares and the analysis of variance. Annotation ©2011 Book News, Inc., Portland, OR (booknews.com)
Synopsis:This book shows readers how to design and set up basic mixture experiments, then analyze the data and draw inferences from the results. It encompasses useful techniques and provides worked examples for every method used. It is an abridged version of the author's bestselling, more advanced title on EXPERIMENTS WITH MIXTURES, along with additional exercises, further transitional commentary, new material on generalized linear models and mixture transformations, and new examples where appropriate. Written with the practitioner in mind, computing formulas (rather than mathematical derivations) for key methods are provided with clear and concise explanations. All of the numerical examples are taken from real experiments. Coverage begins with the original mixture problem and ends with an introduction to the analysis of variance. Topics are of interest to the various fields of agriculture such as food science, entomology, and nematology, as well as in the physical sciences (including engineering) and medicine. With brevity as a primary goal, the book is applicable for a onesemester course in design of experiments.
About the AuthorJOHN A. CORNELL, PhD, is Professor Emeritus of Statistics at the University of Florida. A recognized authority on the topic of experimental design, he has more than forty years of experience in both academia and industrial consulting and was awarded the Shewhart Medal by the American Society of Quality (ASQ) in 2001. A Fellow of both the ASQ and American Statistical Association, Dr. Cornell is the author of Experiments with Mixtures: Designs, Models, and the Analysis of Mixture Data, Third Edition, also published by Wiley.
Table of ContentsPreface ix
1. Introduction 1 1.1 The Original Mixture Problem, 2 1.2 A Pesticide Example Involving Two Chemicals, 2 1.3 General Remarks About Response Surface Methods, 9 1.4 An Historical Perspective, 13 References and Recommended Reading, 17 Questions, 17 Appendix 1A: Testing for Nonlinear Blending of the Two Chemicals Vendex and Kelthane While Measuring the Average Percent Mortality (APM) of Mites, 20 2. The Original Mixture Problem: Designs and Models for Exploring the Entire Simplex Factor Space 23 2.1 The SimplexLattice Designs, 23 2.2 The Canonical Polynomials, 26 2.3 The Polynomial Coefficients As Functions of the Responses at the Points of the Lattices, 31 2.4 Estimating The Parameters in the {q,m} Polynomials, 34 2.5 Properties of the Estimate of the Response, y(x), 37 2.6 A ThreeComponent Yarn Example Using A {3, 2} SimplexLattice Design, 38 2.7 The Analysis of Variance Table, 42 2.8 Analysis of Variance Calculations of the Yarn Elongation Data, 45 2.9 The Plotting of Individual Residuals, 48 2.10 Testing the Degree of the Fitted Model: A Quadratic Model or Planar Model?, 49 2.11 Testing Model Lack of Fit Using Extra Points and Replicated Observations, 55 2.12 The SimplexCentroid Design and Associated Polynomial Model, 58 2.13 An Application of a FourComponent SimplexCentroid Design: Blending Chemical Pesticides for Control of Mites, 60 2.14 Axial Designs, 62 2.15 Comments on a Comparison Made Between An Augmented SimplexCentroid Design and a Full Cubic Lattice for Three Components Where Each Design Contains Ten Points, 66 2.16 Reparameterizing Scheffe's Mixture Models to Contain A Constant (β0) Term: A Numerical Example, 69 2.17 Questions to Consider at the Planning Stages of a Mixture Experiment, 77 2.18 Summary, 78 References and Recommended Reading, 78 Questions, 80 Appendix 2A: LeastSquares Estimation Formula for the Polynomial Coefficients and Their Variances: Matrix Notation, 85 Appendix 2B: Cubic and Quartic Polynomials and Formulas for the Estimates of the Coefficients, 90 Appendix 2C: The Partitioning of the Sources in the Analysis of Variance Table When Fitting the Scheff´e Mixture Models, 91 3. Multiple Constraints on the Component Proportions 95 3.1 LowerBound Restrictions on Some or All of the Component Proportions, 95 3.2 Introducing LPseudocomponents, 97 3.3 A Numerical Example of Fitting An LPseudocomponent Model, 99 3.4 UpperBound Restrictions on Some or All Component Proportions, 101 3.5 An Example of the Placing of an Upper Bound on a Single Component: The Formulation of a Tropical Beverage, 103 3.6 Introducing UPseudocomponents, 107 3.7 The Placing of Both Upper and Lower Bounds on the Component Proportions, 112 3.8 Formulas For Enumerating the Number of Extreme Vertices, Edges, and TwoDimensional Faces of the Constrained Region, 119 3.9 McLean and Anderson’s Algorithm For Calculating the Coordinates of the Extreme Vertices of a Constrained Region, 123 3.10 Multicomponent Constraints, 128 3.11 Some Examples of Designs for Constrained Mixture Regions: CONVRT and CONAEV Programs, 131 3.12 Multiple Lattices for Major and Minor Component Classifications, 138 Summary, 154 References and Recommended Reading, 155 Questions, 157 4. The Analysis of Mixture Data 159 4.1 Techniques Used in the Analysis of Mixture Data, 160 4.2 Test Statistics for Testing the Usefulness of the Terms in the Scheff´e Polynomials, 163 4.3 Model Reduction, 170 4.4 An Example of Reducing the System from Three to Two Components, 173 4.5 Screening Components, 175 4.6 Other Techniques Used to Measure Component Effects, 179 4.7 Leverage and the Hat Matrix, 190 4.8 A ThreeComponent Propellant Example, 192 4.9 Summary, 195 References and Recommended Reading, 196 Questions, 197 5. Other Mixture Model Forms 201 5.1 The Inclusion of Inverse Terms in the Scheff´e Polynomials, 201 5.2 Fitting Gasoline Octane Numbers Using Inverse Terms in the Model, 204 5.3 An Alternative Model Form for Modeling the Additive Blending Effect of One Component In a Multicomponent System, 205 5.4 A Biological Example on the Linear Effect of a Powder Pesticide In Combination With Two Liquid Pesticides Used for Suppressing Mite Population Numbers, 212 5.5 The Use of Ratios of Components, 215 5.6 Cox's Mixture Polynomials: Measuring Component Effects, 219 5.7 An Example Illustrating the Fits of Cox's Model and Scheffe's Polynomial, 224 5.8 Fitting A SlackVariable Model, 229 5.9 A Numerical Example Illustrating The Fits of Different Reduced SlackVariable Models: Tint Strength of a House Paint, 233 5.10 Summary, 239 References and Recommended Reading, 240 Questions, 242 6. The Inclusion of Process Variables in Mixture Experiments 247 6.1 Designs Consisting of SimplexLattices and Factorial Arrangements, 249 6.2 Measuring the Effects of Cooking Temperature and Cooking Time on the Texture of Patties Made from Two Types of Fish, 251 6.3 MixtureAmount Experiments, 256 6.4 Determining the Optimal Fertilizer Blend and Rate for Young Citrus Trees, 262 6.5 A Numerical Example of the Fit of a Combined Model to Data Collected on Fractions of the Fish Patty Experimental Design, 269 6.6 Questions Raised and Recommendations Made When Fitting a Combined Model Containing Mixture Components and Other Variables, 272 6.7 Summary, 277 References and Recommended Reading, 278 Questions, 280 Appendix 6A: Calculating the Estimated Combined Mixture Component–Process Variable Model of Eq. (6.10) Without the Computer, 282 7. A Review of Least Squares and the Analysis of Variance 285 7.1 A Review of Least Squares, 285 7.2 The Analysis of Variance, 288 7.3 A Numerical Example: Modeling the Texture of Fish Patties, 289 7.4 The Adjusted Multiple Correlation Coefficient, 293 7.5 The Press Statistic and Studentized Residuals, 293 7.6 Testing Hypotheses About the Form of the Model: Tests of Significance, 295 References and Recommended Reading, 298 Bibliography 299 Answers to Selected Questions 317 Appendix 337 Index 347 What Our Readers Are SayingBe the first to add a comment for a chance to win!Product Details
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