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Acknowledgments | |
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Introduction | |
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DNA Microarray Technology | |
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Overview | |
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Measuring Label Intensity | |
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Labeling Methods | |
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Printed Microarrays | |
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Affymetrix GeneChip Arrays | |
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Other Microarray Platforms | |
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Design of DNA Microarray Experiments | |
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Introduction | |
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Study Objectives | |
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Class Comparison | |
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Class Prediction | |
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Class Discovery | |
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Pathway Analysis | |
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Comparing Two RNA Samples | |
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Sources of Variation and Levels of Replication | |
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Pooling of Samples | |
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Pairing Samples on Dual-Label Microarrays | |
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The Reference Design | |
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The Balanced Block Design | |
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The Loop Design | |
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Reverse Labeling (Dye Swap) | |
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Number of Biological Replicates Needed | |
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Image Analysis | |
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Image Generation | |
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Image Analysis for cDNA Microarrays | |
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Image Display | |
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Gridding | |
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Segmentation | |
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Foreground Intensity Extraction | |
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Background Correction | |
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Image Output File | |
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Image Analysis for Affymetrix GeneChip | |
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Quality Control | |
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Introduction | |
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Probe-Level Quality Control for Two-Color Arrays | |
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Visual Inspection of the Image File | |
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Spots Flagged at Image Analysis | |
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Spot Size | |
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Weak Signal | |
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Large Relative Background Intensity | |
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Gene Level Quality Control for Two-Color Arrays | |
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Poor Hybridization and Printing | |
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Probe Quality Control Based on Duplicate Spots | |
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Low Variance Genes | |
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Array-Level Quality Control for Two-Color Arrays | |
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Quality Control for GeneChip Arrays | |
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Data Imputation | |
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Array Normalization | |
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Introduction | |
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Choice of Genes for Normalization | |
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Biologically Defined Housekeeping Genes | |
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Spiked Controls | |
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Normalize Using All Genes | |
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Identification of Housekeeping Genes Based on Observed Data | |
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Normalization Methods for Two-Color Arrays | |
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Linear or Global Normalization | |
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Intensity-Based Normalization | |
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Location-Based Normalization | |
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Combination Location and Intensity Normalization | |
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Normalization of GeneChip Arrays | |
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Linear or Global Normalization | |
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Intensity-Based Normalization | |
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Class Comparison | |
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Introduction | |
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Examining Whether a Single Gene is Differentially Expressed Between Classes | |
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t-Test | |
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Permutation Tests | |
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More Than Two Classes | |
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Paired-Specimen Data | |
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Identifying Which Genes Are Differentially Expressed Between Classes | |
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Controlling for No False Positives | |
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Controlling the Number of False Positives | |
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Controlling the False Discovery Proportion | |
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Experiments with Very Few Specimens from Each Class | |
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Global Tests of Gene Expression Differences Between Classes | |
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Experiments with a Single Specimen from Each Class | |
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Regression Model Analysis; Generalizations of Class Comparison | |
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Evaluating Associations of Gene Expression to Survival | |
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Models for Nonreference Designs on Dual-Label Arrays | |
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Class Prediction | |
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Introduction | |
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Feature Selection | |
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Class Prediction Methods | |
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Nomenclature | |
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Discriminant Analysis | |
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Variants of Diagonal Linear Discriminant Analysis | |
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Nearest Neighbor Classification | |
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Classification Trees | |
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Support Vector Machines | |
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Comparison of Methods | |
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Estimating the Error Rate of the Predictor | |
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Bias of the Re-Substitution Estimate | |
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Cross-Validation and Bootstrap Estimates of Error Rate | |
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Reporting Error Rates | |
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Statistical Significance of the Error Rate | |
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Validation Dataset | |
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Example | |
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Prognostic Prediction | |
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Class Discovery | |
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Introduction | |
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Similarity and Distance Metrics | |
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Graphical Displays | |
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Classical Multidimensional Scaling | |
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Nonmetric Multidimensional Scaling | |
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Clustering Algorithms | |
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Hierarchical Clustering | |
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k-Means Clustering | |
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Self-Organizing Maps | |
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Other Clustering Procedures | |
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Assessing the Validity of Clusters | |
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Global Tests of Clustering | |
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Estimating the Number of Clusters | |
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Assessing Reproduciblity of Individual Clusters | |
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Basic Biology of Gene Expression | |
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Introduction | |
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Description of Gene Expression Datasets Used as Examples | |
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Introduction | |
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Bittner Melanoma Data | |
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Luo Prostate Data | |
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Perou Breast Data | |
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Tamayo HL-60 Data | |
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Hedenfalk Breast Cancer Data | |
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BRB-ArrayTools | |
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Software Description | |
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Analysis of Bittner Melanoma Data | |
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Analysis of Perou Breast Cancer Chemotherapy Data | |
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Analysis of Hedenfalk Breast Cancer Data | |
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References | |
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Index | |