Fig. 2From: 18F-FET PET radiomics-based survival prediction in glioblastoma patients receiving radio(chemo)therapyCircle plot showing the frequency of feature selection in the Top dataset. The height of each color bar in the circular plot is proportional to the selection frequency across the 4 VOIs. Color codes denote different radiomic features types, as indicated by text labels in the inner part of the circleBack to article page