Fig. 1

Results of microarray analysis performed in the profiling stage. a Heatmap of significantly differently expressed miRNAs between the tumor subgroups; b The volcano plots of all three comparisons with miRNAs chosen for validation stage indicated by their labels; c The best performing model achieved by application of J48 algorithm on the set of miRNAs selected by significance-based method. DNET dysembryoplastic neuroepithelial tumor, GG ganglioglioma, PA pilocytic astrocytoma