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This book focuses on the analysis of dose-response microarray data in pharmaceutical settings, the goal being to cover this important topic for early drug development experiments and to provide user-friendly R packages that can be used to analyze this data. It is intended for biostatisticians and bioinformaticians in the pharmaceutical industry, biologists, and biostatistics/bioinformatics graduate students.
Part I of the book is an introduction, in which we discuss the dose-response setting and the problem of estimating normal means under order restrictions. In particular, we discuss the pooled-adjacent-violator (PAV) algorithm and isotonic regression, as well as inference under order restrictions and non-linear parametric models, which are used in the second part of the book.
Part II is the core of the book, in which we focus on the analysis of dose-response microarray data. Methodological topics discussed include:
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Multiplicity adjustment
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Test statistics and procedures for the analysis of dose-response microarray data
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Resampling-based inference and use of the SAM method for small-variance genes in the data
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Identification and classification of dose-response curve shapes
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Clustering of order-restricted (but not necessarily monotone) dose-response profiles
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Gene set analysis to facilitate the interpretation of microarray results
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Hierarchical Bayesian models and Bayesian variable selection
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Non-linear models for dose-response microarray data
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Multiple contrast tests
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Multiple confidence intervals for selected parameters adjusted for the false coverage-statement rate
All methodological issues in the book are illustrated using real-world examples of dose-response microarray datasets from early drug development experiments.
