Fig. 1

Overview of lncRNA identification in chicken spleen. a an overview of a comprehensive scheme for the identification of lncRNAs in chicken spleen. b the distributions of CSF scores of both coding and noncoding training data sets in CSF classifier. c receiver operating characteristic (ROC) analysis for training data sets to set a CSF score cut-off. The area under the curve (AUC) is 0.94 and the red square in line represents the optimal point with the best sensitivity and specificity