Figure 1From: The development of a combined mathematical model to forecast the incidence of hepatitis E in Shanghai, China The combination of ARIMA and BPNN models. The ARIMA-BPNN combined model consisted of three layers: 2 neurons collected predicted morbidity values from ARIMA and corresponding time values in the input layer, 3 neurons estimated the actual morbidity values as targets and made a simulation in the hidden layer, and 1 neuron transferred the forecasted incidence to the output layer.Back to article page