Flowchart (image) Radiological Society of North America Share Print E-Mail Caption This flowchart shows feature selection and model training. Rectangles in blue represent data and rectangles in gray represent the processes. The all-relevant features selection step was nested in repeated 10-fold cross validation. Credit Radiological Society of North America Usage Restrictions May use with credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.