Forecasting A Weekly Red Chilli Price in Bengkulu City Using Autoregressive Integrated Moving Average (ARIMA) and Singular Spectrum Analysis (SSA) Methods

Novi Putriasari, Sigit Nugroho, Ramya Rachmawati, Winalia Agwil, Yosep O Sitohang
2022 Journal of Statistics and Data Science  
Red chili occupies a strategic position in the Indonesian economic structure because its use applies to almost all Indonesian dishes. Therefore, controlling the price of red chili is anecessity to maintain national economic stability. The purpose of this research is to forecast a red chili weekly price using ARIMA and SSA based on the weekly data of chili prices from January 2016 - December 2019 sourced from Statistics Indonseia (BPS) Branch Office of Bengkulu Province. The data have been
more » ... ed using software R. Based on MAPE, ARIMA (2,1,2) provides the best forecasting with value 0.49% while SSA 10.64%.
doi:10.33369/jsds.v1i1.21007 fatcat:6yncdbanjzetnl4ibxkvhqa4ca