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Empirical Bayes Microarray ANOVA and Grouping Cell Lines by Equal Expression Levels

  • Ingrid Lönnstedt , Rebecca Rimini and Peter Nilsson
Published/Copyright: April 18, 2005
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Statistical Applications in Genetics and Molecular Biology
From the journal Statistical Applications in Genetics and Molecular Biology Volume 4 Issue 1

In the exploding field of gene expression techniques such as DNA microarrays, there are still few general probabilistic methods for analysis of variance. Linear models and ANOVA are heavily used tools in many other disciplines of scientific research. The usual F-statistic is unsatisfactory for microarray data, which explore many thousand genes in parallel, with few replicates.We present three potential one-way ANOVA statistics in a parametric statistical framework. The aim is to separate genes that are differently regulated across several treatment conditions from those with equal regulation. The statistics have different features and are evaluated using both real and simulated data. Our statistic B1 generally shows the best performance, and is extended for use in an algorithm that groups cell lines by equal expression levels for each gene. An extension is also outlined for more general ANOVA tests including several factors.The methods presented are implemented in the freely available statistical language R. They are available at http://www.math.uu.se/staff/pages/?uname=ingrid.

Keywords: microarray; differential expression; empirical Bayes; ANOVA
Published Online: 2005-4-18

©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston

Articles in the same Issue

  1. Article
  2. Estimating Motifs Under Order Restrictions
  3. Reproducible Research: A Bioinformatics Case Study
  4. Generalized Rank Tests for Replicated Microarray Data
  5. Stepwise Normalization of Two-Channel Spotted Microarrays
  6. Comparing Automatic and Manual Image Processing in FLARE Assay Analysis for Colon Carcinogenesis
  7. Pixel-level Signal Modelling with Spatial Correlation for Two-Colour Microarrays
  8. Empirical Bayes Microarray ANOVA and Grouping Cell Lines by Equal Expression Levels
  9. Multiple Testing and Data Adaptive Regression: An Application to HIV-1 Sequence Data.
  10. Early Diagnostic Marker Panel Determination for Microarray Based Clinical Studies
  11. Prediction of Missing Values in Microarray and Use of Mixed Models to Evaluate the Predictors
  12. Combined Association and Linkage Analysis for General Pedigrees and Genetic Models
  13. Incorporating Biological Information as a Prior in an Empirical Bayes Approach to Analyzing Microarray Data
  14. The Relative Inefficiency of Sequence Weights Approaches in Determining a Nucleotide Position Weight Matrix
  15. A Simple Loglinear Model for Haplotype Effects in a Case-Control Study Involving Two Unphased Genotypes
  16. Extension of the SIMLA Package for Generating Pedigrees with Complex Inheritance Patterns: Environmental Covariates, Gene-Gene and Gene-Environment Interaction
  17. Error Distribution for Gene Expression Data
  18. A General Framework for Weighted Gene Co-Expression Network Analysis
  19. Statistical Inference in Evolutionary Models of DNA Sequences via the EM Algorithm
  20. Comparing Bacterial DNA Microarray Fingerprints
  21. Continuous Covariates in Genetic Association Studies of Case-Parent Triads: Gene and Gene-Environment Interaction Effects, Population Stratification, and Power Analysis
  22. Robust Remote Homology Detection by Feature Based Profile Hidden Markov Models
  23. Empirical Bayes Estimation of a Sparse Vector of Gene Expression Changes
  24. Hierarchical Inverse Gaussian Models and Multiple Testing: Application to Gene Expression Data
  25. FADO: A Statistical Method to Detect Favored or Avoided Distances between Occurrences of Motifs using the Hawkes' Model
  26. Prediction of Genomewide Conserved Epitope Profiles of HIV-1: Classifier Choice and Peptide Representation
  27. Fold-Change Estimation of Differentially Expressed Genes using Mixture Mixed-Model
  28. Test on the Structure of Biological Sequences via Chaos Game Representation
  29. Reverse Engineering Galactose Regulation in Yeast through Model Selection
  30. Empirical Bayes and Resampling Based Multiple Testing Procedure Controlling Tail Probability of the Proportion of False Positives.
  31. Weighted Analysis of Paired Microarray Experiments
  32. A Probabilistic Approach to Large-Scale Association Scans: A Semi-Bayesian Method to Detect Disease-Predisposing Alleles
  33. A Shrinkage Approach to Large-Scale Covariance Matrix Estimation and Implications for Functional Genomics
  34. Structured Antedependence Models for Functional Mapping of Multiple Longitudinal Traits
  35. Correlation Between Gene Expression Levels and Limitations of the Empirical Bayes Methodology for Finding Differentially Expressed Genes
  36. Bayesian Statistical Studies of the Ramachandran Distribution
  37. On Reference Designs For Microarray Experiments
  38. Computing Asymptotic Power and Sample Size for Case-Control Genetic Association Studies in the Presence of Phenotype and/or Genotype Misclassification Errors
https://doi.org/10.2202/1544-6115.1125
Keywords for this article
microarray; differential expression; empirical Bayes; ANOVA

Articles in the same Issue

  1. Article
  2. Estimating Motifs Under Order Restrictions
  3. Reproducible Research: A Bioinformatics Case Study
  4. Generalized Rank Tests for Replicated Microarray Data
  5. Stepwise Normalization of Two-Channel Spotted Microarrays
  6. Comparing Automatic and Manual Image Processing in FLARE Assay Analysis for Colon Carcinogenesis
  7. Pixel-level Signal Modelling with Spatial Correlation for Two-Colour Microarrays
  8. Empirical Bayes Microarray ANOVA and Grouping Cell Lines by Equal Expression Levels
  9. Multiple Testing and Data Adaptive Regression: An Application to HIV-1 Sequence Data.
  10. Early Diagnostic Marker Panel Determination for Microarray Based Clinical Studies
  11. Prediction of Missing Values in Microarray and Use of Mixed Models to Evaluate the Predictors
  12. Combined Association and Linkage Analysis for General Pedigrees and Genetic Models
  13. Incorporating Biological Information as a Prior in an Empirical Bayes Approach to Analyzing Microarray Data
  14. The Relative Inefficiency of Sequence Weights Approaches in Determining a Nucleotide Position Weight Matrix
  15. A Simple Loglinear Model for Haplotype Effects in a Case-Control Study Involving Two Unphased Genotypes
  16. Extension of the SIMLA Package for Generating Pedigrees with Complex Inheritance Patterns: Environmental Covariates, Gene-Gene and Gene-Environment Interaction
  17. Error Distribution for Gene Expression Data
  18. A General Framework for Weighted Gene Co-Expression Network Analysis
  19. Statistical Inference in Evolutionary Models of DNA Sequences via the EM Algorithm
  20. Comparing Bacterial DNA Microarray Fingerprints
  21. Continuous Covariates in Genetic Association Studies of Case-Parent Triads: Gene and Gene-Environment Interaction Effects, Population Stratification, and Power Analysis
  22. Robust Remote Homology Detection by Feature Based Profile Hidden Markov Models
  23. Empirical Bayes Estimation of a Sparse Vector of Gene Expression Changes
  24. Hierarchical Inverse Gaussian Models and Multiple Testing: Application to Gene Expression Data
  25. FADO: A Statistical Method to Detect Favored or Avoided Distances between Occurrences of Motifs using the Hawkes' Model
  26. Prediction of Genomewide Conserved Epitope Profiles of HIV-1: Classifier Choice and Peptide Representation
  27. Fold-Change Estimation of Differentially Expressed Genes using Mixture Mixed-Model
  28. Test on the Structure of Biological Sequences via Chaos Game Representation
  29. Reverse Engineering Galactose Regulation in Yeast through Model Selection
  30. Empirical Bayes and Resampling Based Multiple Testing Procedure Controlling Tail Probability of the Proportion of False Positives.
  31. Weighted Analysis of Paired Microarray Experiments
  32. A Probabilistic Approach to Large-Scale Association Scans: A Semi-Bayesian Method to Detect Disease-Predisposing Alleles
  33. A Shrinkage Approach to Large-Scale Covariance Matrix Estimation and Implications for Functional Genomics
  34. Structured Antedependence Models for Functional Mapping of Multiple Longitudinal Traits
  35. Correlation Between Gene Expression Levels and Limitations of the Empirical Bayes Methodology for Finding Differentially Expressed Genes
  36. Bayesian Statistical Studies of the Ramachandran Distribution
  37. On Reference Designs For Microarray Experiments
  38. Computing Asymptotic Power and Sample Size for Case-Control Genetic Association Studies in the Presence of Phenotype and/or Genotype Misclassification Errors
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