Design and Analysis of Experiments with SAS
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Design and Analysis of Experiments with SAS

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Description

A culmination of the author's many years of consulting and teaching, Design and Analysis of Experiments with SAS provides practical guidance on the computer analysis of experimental data. It connects the objectives of research to the type of experimental design required, describes the actual process of creating the design and collecting the data, shows how to perform the proper analysis of the data, and illustrates the interpretation of results.





Drawing on a variety of application areas, from pharmaceuticals to machinery, the book presents numerous examples of experiments and exercises that enable students to perform their own experiments. Harnessing the capabilities of SAS 9.2, it includes examples of SAS data step programming and IML, along with procedures from SAS Stat, SAS QC, and SAS OR. The text also shows how to display experimental results graphically using SAS ODS graphics. The author emphasizes how the sample size, the assignment of experimental units to combinations of treatment factor levels (error control), and the selection of treatment factor combinations (treatment design) affect the resulting variance and bias of estimates as well as the validity of conclusions.





This textbook covers both classical ideas in experimental design and the latest research topics. It clearly discusses the objectives of a research project that lead to an appropriate design choice, the practical aspects of creating a design and performing experiments, and the interpretation of the results of computer data analysis. SAS code and ancillaries are available at http://lawson.mooo.com
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Product details

  • Hardback | 596 pages
  • 157.48 x 236.22 x 35.56mm | 907.18g
  • Chapman & Hall/CRC
  • Boca Raton, FL, United States
  • English
  • 500+; 141 Tables, black and white; 169 Illustrations, black and white
  • 1420060600
  • 9781420060607
  • 1,908,988

Table of contents

Introduction
Statistics and Data Collection
Beginnings of Statistically Planned Experiments
Definitions and Preliminaries
Purposes of Experimental Design
Types of Experimental Designs
Planning Experiments
Performing the Experiments
Use of SAS Software


Completely Randomized Designs with One Factor
Introduction
Replication and Randomization
A Historical Example
Linear Model for Completely Randomized Design (CRD)
Verifying Assumptions of the Linear Model
Analysis Strategies When Assumptions Are Violated
Determining the Number of Replicates
Comparison of Treatments after the F-Test


Factorial Designs
Introduction
Classical One at a Time versus Factorial Plans
Interpreting Interactions
Creating a Two-Factor Factorial Plan in SAS
Analysis of a Two-Factor Factorial in SAS
Factorial Designs with Multiple Factors-Completely Randomized Factorial Design (CRFD)
Two-Level Factorials
Verifying Assumptions of the Model


Randomized Block Designs
Introduction
Creating a Randomized Complete Block (RCB) Design in SAS
Model for RCB
An Example of a RCB
Determining the Number of Blocks
Factorial Designs in Blocks
Generalized Complete Block Design
Two Block Factors Latin Square Design (LSD)


Designs to Study Variances
Introduction
Random Sampling Experiments (RSE)
One-Factor Sampling Designs
Estimating Variance Components
Two-Factor Sampling Designs-Factorial RSE
Nested SE
Staggered Nested SE
Designs with Fixed and Random Factors
Graphical Methods to Check Model Assumptions


Fractional Factorial Designs
Introduction to Completely Randomized Fractional Factorial (CRFF)
Half Fractions of 2k Designs
Quarter and Higher Fractions of 2k Designs
Criteria for Choosing Generators for 2k-p Designs
Augmenting Fractional Factorials
Plackett-Burman (PB) Screening Designs
Mixed-Level Fractional Factorials Orthogonal Array (OA)


Incomplete and Confounded Block Designs
Introduction
Balanced Incomplete Block (BIB) Designs
Analysis of Incomplete Block Designs
Partially Balanced Incomplete Block (PBIB) Designs-Balanced Treatment Incomplete Block (BTIB)
Youden Square Designs (YSD)
Confounded 2k and 2k-p Designs-Completely Confounded Blocked Factorial (CCBF) and Completely Confounded Blocked Fractional Factorial (CCBFF)
Confounding 3 Level and p Level Factorial Designs
Blocking Mixed Level Factorials and OAs
Partial CBF


Split-Plot Designs
Introduction
Split-Plot Experiments with CRD in Whole Plots (CRSP)
RCB in Whole Plots (RBSP)
Analysis Unreplicated 2k Split-Plot Designs
2k-p Fractional Factorials in Split Plots (FFSP)
Sample Size and Power Issues for Split-Plot Designs


Crossover and Repeated Measures Designs
Introduction
Crossover Designs (COD)
Simple AB, BA Crossover Designs for Two Treatments
Crossover Designs for Multiple Treatments
Repeated Measures Designs
Univariate Analysis of Repeated Measures Design


Response Surface Designs
Introduction
Fundamentals of Response Surface Methodology
Standard Designs for Second-Order Models-Completely Randomized Response Surface (CRRS) Designs
Creating Standard Designs in SAS
Non-Standard Response Surface Designs
Fitting the Response Surface Model with SAS
Determining Optimum Operating Conditions
Response Surface Designs in Blocks (BRS)
Response Surface Designs in Split-Plots (RSSP)


Mixture Experiments
Introduction
Models and Designs for Mixture Experiments
Creating Mixture Designs in SAS
Analysis of Mixture Experiment
Constrained Mixture Experiments
Blocking Mixture Experiments
Mixture Experiments with Process Variables
Mixture Experiments in Split Plot Arrangements


Robust Parameter Design Experiments
Introduction
Noise Sources of Functional Variation
Product Array Parameter Design Experiments
Analysis of Product Array Experiments
Single Array Parameter Design Experiments
Joint Modeling of Mean and Dispersion Effects


Experimental Strategies for Increasing Knowledge
Introduction
Sequential Experimentation
One-Step Screening and Optimization
Evolutionary Operation
Concluding Remarks


Bibliography


Index


A Review and Exercises appear at the end of each chapter.
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Review quote

This book deserves to be seriously considered as an external reference for a beginning, one semester course in experimental design. It is a handy, reference showing how to get things done quickly using SAS. ...
-Francis Giesbrecht, Biometrics, December 2011


The scope of the material coverage is one of the strengths of this book. The author brings a wealth of industrial, consulting, and teaching experience to the book, and adds his great writing style, which keeps the reader paying attention throughout the book. ... one of the biggest strengths of the book is the breadth of coverage of topics and examples relevant to different disciplines. ... The level of detail with respect to SAS codes in this text is excellent. ... I would say that this book fills a gap in guiding the design and analyses of experiments using SAS, and would be well suited as a text for students in applied disciplines who had some linear algebra and statistics background. This book is also an outstanding reference for design and analysis of experiments using SAS. In this book I can find SAS codes for virtually all problems I had to solve in applications, and I will be reaching for this book time and time again in the future.
-Alla Sikorskii, The American Statistician, August 2011

The design and analysis of experiments is a fundamental part of statistics, and this book gives a comprehensive treatment of this broad topic. ... this book focuses on linking concepts to practice. ... The examples are taken from a range of areas, including pharmaceutical science and industrial manufacturing. ... A companion website includes SAS code and data sets.
The book covers the basics that you would expect ... . A wide variety of other topics are also covered, including split-plot designs, mixture experiments and robust-parameter design. Of particular interest to medical statisticians may be the chapter on crossover and repeated measurement studies ...
The inclusion of so many exercises makes this book ideal for teaching. ...
I think this book achieves its objectives. It is a comprehensive text on an important subject and it is sure to make designing and analysing experiments in SAS more straightforward. The inclusion of advanced topics and modern methods is a particular benefit in this regard.
-David Woods, Statistics in Medicine, 2011


The exposition throughout is first rate. The presentation and organization, the coverage of the topics, and the discussions of the examples are all excellent. If you are an SAS user needing help with experimental design, you will certainly profit from this text.
-International Statistical Review (2011), 79, 1


... The book's strongest point is its wealth of practical examples from a wide range of fields, such as agriculture, industrial production, psychology, pharmacology etc. ... the examples are very helpful for grasping the ideas behind applied experimentation. ... a very useful addition to the library of anyone with an already strong understanding of linear models, some familiarity with SAS, and interest or experience in applied experimentation. ... [also] useful for statistically skilled readers who want to use software other than SAS for design and analysis of experiments. Applied experimenters without a strong statistical background or at least interest will benefit from individual examples...
-Journal of Statistical Software, December 2010, Volume 37
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About John Lawson

John Lawson is a professor in the Department of Statistics at Brigham Young University.
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