Fig. 2From: Prognostic value of cross-omics screening for kidney clear cell renal cancer survivalFlowchart of the analyses. a 3-fold cross validation procedure: the complete set of patients was distributed into three equally sized sets, and each time two sets were used as a training data, while the remaining set was used as a test data. b Computational steps performed at each cross-validation round on the training and test datasetsBack to article page