<p>Predictive accuracy of the time-series models. The number of PRRSV-positive submissions was divided into training and test datasets. The training dataset included the first 550 weeks (January 2011–July 2021), and the test dataset comprised the subsequent 104 weeks (August 2021–July 2023). A 104-step-ahead forecast (N = 104) was applied to evaluate the predictive performance of ARIMA, ETS, RF, and RNN models.</p>

Predictive accuracy of the time-series models. The number of PRRSV-positive submissions was divided into training and test datasets. The training dataset included the first 550 weeks (January 2011–July 2021), and the test dataset comprised the subsequent 104 weeks (August 2021–July 2023). A 104-step-ahead forecast (N = 104) was applied to evaluate the predictive performance of ARIMA, ETS, RF, and RNN models.