What is included with this book?
Preface | p. xv |
Introduction | p. 1 |
Experiments All Around Us | p. 2 |
Objectives for Experimental Designs | p. 3 |
Planned Experimentation versus Use of Observational Data | p. 5 |
Basic Design Concepts | p. 6 |
Randomization | p. 6 |
Replication versus Repeated Measurements | p. 7 |
Example | p. 8 |
Size of an Effect That Can be Detected | p. 11 |
Terminology | p. 12 |
Steps for the Design of Experiments | p. 13 |
Recognition and Statement of the Problem | p. 14 |
Selection of Factors and Levels | p. 14 |
Choice of Factors | p. 14 |
Choice of Levels | p. 15 |
Processes Should Ideally be in a State of Statistical Control | p. 18 |
Types of Experimental Designs | p. 20 |
Analysis of Means | p. 20 |
Missing Data | p. 22 |
Experimental Designs and Six Sigma | p. 22 |
Quasi-Experimental Design | p. 23 |
Summary | p. 23 |
References | p. 23 |
Exercises | p. 26 |
Completely Randomized Design | p. 31 |
Completely Randomized Design | p. 31 |
Model | p. 32 |
Example: One Factor, Two Levels | p. 33 |
Assumptions | p. 33 |
Examples: One Factor, More Than Two Levels | p. 35 |
Multiple Comparisons | p. 36 |
Unbalanced and Missing Data | p. 39 |
Computations | p. 40 |
Example Showing the Effect of Unequal Variances | p. 41 |
Analysis of Means | p. 42 |
ANOM for a Completely Randomized Design | p. 43 |
Example | p. 44 |
ANOM with Unequal Variances | p. 45 |
Applications | p. 47 |
Nonparametric ANOM | p. 47 |
ANOM for Attributes Data | p. 47 |
Software for Experimental Design | p. 48 |
Missing Values | p. 48 |
Summary | p. 48 |
Appendix | p. 49 |
References | p. 49 |
Exercises | p. 51 |
Designs that Incorporate Extraneous (Blocking) Factors | p. 56 |
Randomized Block Design | p. 56 |
Assumption | p. 57 |
Blocking an Out-of-Control Process | p. 60 |
Efficiency of a Randomized Block Design | p. 61 |
Example | p. 61 |
Critique | p. 63 |
ANOM | p. 64 |
Incomplete Block Designs | p. 65 |
Balanced Incomplete Block Designs | p. 65 |
Analysis | p. 66 |
Recovery of Interblock Information | p. 68 |
ANOM | p. 68 |
Partially Balanced Incomplete Block Designs | p. 69 |
Lattice Design | p. 70 |
Nonparametric Analysis for Incomplete Block Designs | p. 70 |
Other Incomplete Block Designs | p. 70 |
Latin Square Design | p. 71 |
Assumptions | p. 72 |
Model | p. 74 |
Example | p. 74 |
Efficiency of a Latin Square Design | p. 77 |
Using Multiple Latin Squares | p. 77 |
ANOM | p. 79 |
Graeco-Latin Square Design | p. 80 |
Model | p. 80 |
Degrees of Freedom Limitations on the Design Construction | p. 81 |
Sets of Graeco-Latin Square Designs | p. 82 |
Application | p. 82 |
ANOM | p. 83 |
Youden Squares | p. 84 |
Model | p. 85 |
Lists of Youden Designs | p. 86 |
Using Replicated Youden Designs | p. 86 |
Analysis | p. 86 |
Missing Values | p. 86 |
Software | p. 89 |
Summary | p. 90 |
References | p. 91 |
Exercises | p. 93 |
Full Factorial Designs with Two Levels | p. 101 |
The Nature of Factorial Designs | p. 101 |
The Deleterious Effects of Interactions | p. 106 |
Conditional Effects | p. 107 |
Sample Sizes for Conditional Effects Estimation | p. 113 |
Can We "Transform Away" Interactions? | p. 114 |
Effect Estimates | p. 114 |
Why Not One-Factor-at-a-Time Designs? | p. 115 |
ANOVA Table for Unreplicated Two-Factor Design? | p. 116 |
The 2 3 Design | p. 119 |
Built-in Replication | p. 122 |
Multiple Readings versus Replicates | p. 123 |
Reality versus Textbook Examples | p. 124 |
Factorial Design but not "Factorial Model" | p. 124 |
Bad Data in Factorial Designs | p. 127 |
ANOM Display | p. 134 |
Normal Probability Plot Methods | p. 136 |
Missing Data in Factorial Designs | p. 138 |
Resulting from Bad Data | p. 139 |
Proposed Solutions | p. 140 |
Inaccurate Levels in Factorial Designs | p. 140 |
Checking for Statistical Control | p. 141 |
Blocking 2k Designs | p. 142 |
The Role of Expected Mean Squares in Experimental Design | p. 144 |
Hypothesis Tests with Only Random Factors in 2k Designs? Avoid Them! | p. 146 |
Hierarchical versus Nonhierarchical Models | p. 147 |
Hard-to-Change Factors | p. 148 |
Software for Designs with Hard-to-Change Factors | p. 150 |
Factors Not Reset | p. 150 |
Detecting Dispersion Effects | p. 150 |
Software | p. 151 |
Summary | p. 151 |
Derivation of Conditional Main Effects | p. 152 |
Relationship Between Effect Estimates and Regression Coefficients | p. 153 |
Precision of the Effect Estimates | p. 153 |
Expected Mean Squares for the Replicated 22 Design | p. 153 |
Expected Mean Squares, in General | p. 155 |
References | p. 157 |
Exercises | p. 162 |
Fractional Factorial Designs with Two Levels | p. 169 |
2k-1 Designs | p. 170 |
Which Fraction? | p. 176 |
Effect Estimates and Regression Coefficients | p. 177 |
Alias Structure | p. 177 |
What if I Had Used the Other Fraction? | p. 179 |
2k-1 Designs | p. 181 |
Basic Concepts | p. 185 |
Designs with k - p = 16 | p. 187 |
Normal Probability Plot Methods when k - p = 16 | p. 187 |
Other Graphical Methods | p. 188 |
Utility of Small Fractional Factorials vis-a-vis Normal Probability Plots | p. 188 |
Design Efficiency | p. 190 |
Retrieving a Lost Defining Relation | p. 190 |
Minimum Aberration Designs and Minimum Confounded Effects Designs | p. 192 |
Blocking Factorial Designs | p. 194 |
Blocking Fractional Factorial Designs | p. 195 |
Blocks of Size 2 | p. 200 |
Foldover Designs | p. 201 |
Semifolding | p. 203 |
Conditional Effects | p. 208 |
Semifolding a 2k-1 Design | p. 210 |
General Strategy? | p. 215 |
Semifolding with Software | p. 215 |
John's 3/4 Designs | p. 216 |
Projective Properties of 2k-p Designs | p. 219 |
Small Fractions and Irregular Designs | p. 220 |
An Example of Sequential Experimentation | p. 222 |
Critique of Example | p. 224 |
Inadvertent Nonorthogonality-Case Study | p. 225 |
Fractional Factorial Designs for Natural Subsets of Factors | p. 226 |
Relationship Between Fractional Factorials and Latin Squares | p. 228 |
Alternatives to Fractional Factorials | p. 229 |
Designs Attributed to Genichi Taguchi | p. 229 |
Missing and Bad Data | p. 230 |
Plackett-Burman Designs | p. 230 |
Software | p. 230 |
Summary | p. 233 |
References | p. 234 |
Exercises | p. 238 |
Designs With More Than Two Levels | p. 248 |
3k Designs | p. 248 |
Decomposing the A*B Interaction | p. 251 |
Inference with Unreplicated 3k Designs | p. 252 |
Conditional Effects | p. 255 |
3k-p Designs | p. 257 |
Understanding 3k-p Designs | p. 259 |
Constructing 3k-p Designs | p. 260 |
Alias Structure | p. 262 |
Constructing a 3 3-1 Design | p. 262 |
Need for Mixed Number of Levels | p. 263 |
Replication of 3k-1 Designs? | p. 264 |
Mixed Factorials | p. 264 |
Constructing Mixed Factorials | p. 265 |
Additional Examples | p. 266 |
Mixed Fractional Factorials | p. 274 |
Orthogonal Arrays with Mixed Levels | p. 275 |
Minimum Aberration Designs and Minimum Confounded Effects Designs | p. 277 |
Four or More Levels | p. 278 |
Software | p. 280 |
Catalog of Designs | p. 284 |
Summary | p. 284 |
References | p. 284 |
Exercises | p. 286 |
Nested Designs | p. 291 |
Various Examples | p. 294 |
Software Shortcomings | p. 295 |
A Workaround | p. 295 |
Staggered Nested Designs | p. 298 |
Nested and Staggered Nested Designs with Factorial Structure | p. 300 |
Estimating Variance Components | p. 300 |
ANOM for Nested Designs? | p. 302 |
Summary | p. 302 |
References | p. 302 |
Exercises | p. 304 |
Robust Designs | p. 311 |
"Taguchi Designs?" | p. 312 |
Identification of Dispersion Effects | p. 314 |
Designs with Noise Factors | p. 316 |
Product Array, Combined Array, or Compound Array? | p. 318 |
Software | p. 320 |
Further Reading | p. 322 |
Summary | p. 322 |
References | p. 323 |
Exercises | p. 326 |
Split-Unit, Split-Lot, and Related Designs | p. 330 |
Split-Unit Design | p. 331 |
Split-Plot Mirror Image Pairs Designs | p. 336 |
Split-Unit Designs in Industry | p. 336 |
Split-Unit Designs with Fractional Factorials | p. 340 |
Blocking Split-Plot Designs | p. 342 |
Split-Unit Plackett-Burman Designs | p. 343 |
Examples of Split-Plot Designs for Hard-to-Change Factors | p. 343 |
Split-Split-Plot Designs | p. 345 |
Split-Lot Design | p. 345 |
Strip-Plot Design | p. 346 |
Applications of Strip-Block (Strip-Plot) Designs | p. 347 |
Commonalities and Differences Between these Designs | p. 349 |
Software | p. 350 |
Summary | p. 351 |
References | p. 351 |
Exercises | p. 354 |
Response Surface Designs | p. 360 |
Response Surface Experimentation: One Design or More Than One? | p. 362 |
Which Designs? | p. 364 |
Classical Response Surface Designs versus Alternatives | p. 364 |
Effect Estimates? | p. 369 |
Method of Steepest Ascent (Descent) | p. 370 |
Central Composite Designs | p. 373 |
CCD Variations | p. 377 |
Small Composite Designs | p. 377 |
Draper-Lin Designs | p. 378 |
Additional Applications | p. 383 |
Properties of Space-Filling Designs | p. 384 |
Applications of Uniform Designs | p. 386 |
Box-Behnken Designs | p. 386 |
Application | p. 388 |
Conditional Effects? | p. 389 |
Other Response Surface Designs | p. 390 |
Hybrid Designs | p. 390 |
Uniform Shell Designs | p. 393 |
Koshal Designs | p. 393 |
Hoke Designs | p. 394 |
Blocking Response Surface Designs | p. 394 |
Blocking Central Composite Designs | p. 394 |
Blocking Box-Behnken Designs | p. 396 |
Blocking Other Response Surface Designs | p. 396 |
Comparison of Designs | p. 397 |
Analyzing the Fitted Surface | p. 398 |
Characterization of Stationary Points | p. 401 |
Confidence Regions on Stationary Points | p. 402 |
Ridge Analysis | p. 403 |
Ridge Analysis with Noise Factors | p. 404 |
Optimum Conditions and Regions of Operability | p. 404 |
Response Surface Designs for Computer Simulations | p. 404 |
ANOM with Response Surface Designs? | p. 405 |
Further Reading | p. 405 |
The Present and Future Direction of Response Surface Designs | p. 406 |
Software | p. 406 |
Catalogs of Designs | p. 408 |
Summary | p. 408 |
References | p. 409 |
Exercises | p. 414 |
Repeated Measures Designs | p. 425 |
One Factor | p. 426 |
The Example in Section 2.1.2 | p. 428 |
More Than One Factor | p. 428 |
Crossover Designs | p. 429 |
Designs for Carryover Effects | p. 432 |
How Many Repeated Measures? | p. 437 |
Further Reading | p. 438 |
Software | p. 438 |
Summary | p. 439 |
References | p. 439 |
Exercises | p. 444 |
Multiple Responses | p. 447 |
Overlaying Contour Plots | p. 448 |
Seeking Multiple Response Optimization with Desirability Functions | p. 449 |
Weight and Importance | p. 451 |
Dual Response Optimization | p. 452 |
Designs Used with Multiple Responses | p. 452 |
Applications | p. 453 |
Multiple Response Optimization Variations | p. 463 |
The Importance of Analysis | p. 469 |
Software | p. 469 |
Summary | p. 471 |
References | p. 472 |
Exercises | p. 474 |
Miscellaneous Design Topics | p. 483 |
One-Factor-at-a-Time Designs | p. 483 |
Cotter Designs | p. 487 |
Rotation Designs | p. 488 |
Screening Designs | p. 489 |
Plackett-Burman Designs | p. 489 |
Projection Properties of Plackett-Burman Designs | p. 493 |
Applications | p. 494 |
Supersaturated Designs | p. 498 |
Applications | p. 499 |
Lesser-Known Screening Designs | p. 500 |
Design of Experiments for Analytic Studies | p. 500 |
Equileverage Designs | p. 501 |
One Factor, Two Levels | p. 502 |
Are Commonly Used Designs Equileverage? | p. 502 |
Optimal Designs | p. 503 |
Alphabetic Optimality | p. 504 |
Applications of Optimal Designs | p. 507 |
Designs for Restricted Regions of Operability | p. 508 |
Space-Filling Designs | p. 514 |
Uniform Designs | p. 515 |
From Raw Form to Coded Form | p. 518 |
Sphere-Packing Designs | p. 518 |
Latin Hypercube Design | p. 519 |
Trend-Free Designs | p. 521 |
Cost-Minimizing Designs | p. 522 |
Mixture Designs | p. 522 |
Optimal Mixture Designs or Not? | p. 523 |
ANOM | p. 523 |
Design of Measurement Capability Studies | p. 523 |
Design of Computer Experiments | p. 523 |
Design of Experiments for Categorical Response Variables | p. 524 |
Weighing Designs and Calibration Designs | p. 524 |
Calibration Designs | p. 525 |
Weighing Designs | p. 526 |
Designs for Assessing the Capability of a System | p. 528 |
Designs for Nonlinear Models | p. 528 |
Model-Robust Designs | p. 528 |
Designs and Analyses for Non-normal Responses | p. 529 |
Design of Microarray Experiments | p. 529 |
Multi-Vari Plot | p. 530 |
Evolutionary Operation | p. 531 |
Software | p. 531 |
Summary | p. 532 |
References | p. 533 |
Exercises | p. 542 |
Tying It All Together | p. 544 |
Training for Experimental Design Use | p. 544 |
References | p. 545 |
Exercises | p. 546 |
Answers to Selected Exercises | p. 551 |
Statistical Tables | p. 565 |
Author Index | p. 575 |
Subject Index | p. 587 |
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