Fig. 3
From: Artificial neural network models to predict nodal status in clinically node-negative breast cancer
Simplified illustration of the decision made by the ANN model. The regression trees were trained to predict the output probabilities made by the ANN model, given the identified top-ranked variables. Each tree was only allowed to grow to depth 4 and the full dataset was used to construct the trees. The numbers in the green boxes indicate average ANN output and the size of the data at the given node. A Decision tree N0 vs. N+; B Decision tree N1 vs. N0; C Decision tree N2 vs. N0 and N1