Additional File 2.

Classification results observed by cross validation using PAM classifiers. Figures represent achieved classification accuracies, i.e. the fraction of samples correctly classified. The upper table shows results for cross validation analysis of both data sets of a pair, where samples for training and testing are selected randomly from both studies. For this, data sets were integrated by either MRS or QD. The bottom table contains the results of a cross-validated classification analysis performed separately for each study, using all available gene expression data after pre-processing (without application of MRS or QD). Abbreviations: MRS, median rank scores; QD, quantile discretization, PAM, prediction analysis of microarrays.

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Warnat et al. BMC Bioinformatics 2005 6:265   doi:10.1186/1471-2105-6-265