Additional file 3: of RF_Purify: a novel tool for comprehensive analysis of tumor-purity in methylation array data based on random forest regression JohannPascal JägerNatalie PfisterStefan SillMartin 2019 Figure S3. Histograms show the absolute differences between the RF_purify estimated tumor purity and the ESTIMATE (a) and ABSOLUTE (b) values of the TCGA dataset. (PDF 31 kb)