Prediction of cyanotic and acyanotic congenital heart disease using machine learning models

Figure 1 Graphs of influential diagnostic measures. A: Detection using Cook’s distance method; B: Detection using leverage method; C: Detection using covariance ratio method; D: Detection using modified Cook’s distance method; E: Detection using Andrew’s Pregibon method; F: Detection using Walsh’s distance method.

Figure 2 Weights according to importance of variables by artificial neural network.

Figure 3 Modeling structure of artificial neural network with weights of each node.

Figure 4 Receiver operating characteristic curves for comparison of subset logistic regression, subset logistic regression after deletion, and artificial neural network model. SLR: Subset logistic regression; SLRAD: Subset logistic regression after deletion; ANN: Artificial neural network.