3.1. Application of the Hybrid Model of COVID-19 in Malaysia This section examined the proposed model’s performance in two ways: first, the performance of the proposed models compared to ARIMA, SVM, LSSVM, ARIMA–SVM, and ARIMA–LSSVM models; second, the percentage improvement of the proposed models compared to ARIMA and SVM models. Since the World Health Organization (WHO) declared COVID-19 to be a worldwide pandemic, the COVID-19 time-series datasets have been extensively studied.