Model comparison.

RACER: full model; RACER, all excluding X: full model without using variable × {CNV: copy number variation, miRNA: miRNA expression and seed match, DM: DNA methylation, TF: transcription factor binding signals}; RANDOM: full RACER on expression data with randomly shuffled gene symbols. “RACER vs X: p.value ”: p-values indicate how significantly higher the Spearman and coefficients of the full RACER model, comparing with each reduced model based on Wilcoxon signed rank test. Spearman: Median Spearman correlation coefficients; : Median coefficient of determination.Model comparison.