During the COVID-19 outbreak, governments, scientists, health workers, and numerous people worked on strategies or solutions for halting disease propagation. Unfortunately, need monitoring is steeply increasing, taking necessary restrictive actions currently unavoidable. Due to lack of epidemiological data constantly changing numbers, constructing less error-prone predictive models reliable mat...

Theoretician who simplified nuclear physics and revamped Japan’s science.

this paper attempts to compare the forecasting performance of the arima model and hybrid arma-garch models by using daily data of the iran’s exchange rate against the u.s. dollar (irr/usd) for the period of 20 march 2014 to 20 june 2015. the period of 20 march 2014 to 19 april 2015 was used to build the model while remaining data were used to do out of sample forecasting and check the forecasti...

The objective of the study was to forecast value oil and gas exports in Indonesia using ARIMA Box-Jenkins. With this prediction, it is hoped that can be a for future policy making. This export data obtained from Indonesian Central Bureau Statistics (BPS) website, raw January 2010 March 2022. predicted method with help R software. stages analysis include: stationary test, build model indication,...