Modelling COVID-19 growth cases of provinces in java Island by modified spatial weight matrix GSTAR through railroad passenger's mobility

US Pasaribu, U Mukhaiyar, NM Huda, KN Sari… - Heliyon, 2021 - cell.com
Abstracts The movement of positive people Coronavirus Disease that was discovered in
2019 (Covid-19), written 2019-nCoV, from one location to another has a great opportunity to …

Comparison between VAR, GSTAR, FFNN-VAR and FFNN-GSTAR models for forecasting oil production

S Suhartono, DD Prastyo, H Kuswanto, MH Lee - Matematika, 2018 - matematika.utm.my
Monthly data about oil production at several drilling wells is an example of spatio-temporal
data. The aim of this research is to propose nonlinear spatio-temporal model, ie …

[PDF][PDF] S-GSTAR-SUR model for seasonal spatio temporal data forecasting

S Setiawan, M Prastuti - Malaysian Journal of Mathematical …, 2016 - researchgate.net
ABSTRACT Generalized Space Time Autoregressive (GSTAR) is one of space-time models
that frequently used for forecasting spatio-temporal data. Up to now, the researches about …

Development of the GSTARIMA (1, 1, 1) model order for climate data forecasting

A Salsabila, B Ruchjana… - International Journal of …, 2024 - growingscience.com
The space-time model combines spatial and temporal elements. One example is the
Generalized Space-Time Autoregressive (GSTAR) Model, which improves the Space-Time …

Evaluation of COVID-19 mitigation policies in Australia using generalised space-time autoregressive intervention models

RHL Ip, D Demskoi, A Rahman, L Zheng - International Journal of …, 2021 - mdpi.com
In handling the COVID-19 pandemic, various mitigation policies aiming at slowing the
spread and protecting all individuals, especially the vulnerable ones, were implemented. A …

Analysis of generalized space time autoregressive with exogenous variable (GSTARX) model with outlier factor

U Mukhaiyar, NM Huda, KN Sari… - Journal of Physics …, 2020 - iopscience.iop.org
The outlier is an observation data that has different characteristics from others. Frequently,
outliers are removed to improve the accuracy of the estimators. But sometimes the presence …

The approximation of GSTAR model for discrete cases through INAR model

NM Huda, U Mukhaiyar… - Journal of Physics …, 2021 - iopscience.iop.org
Modelling non-negative discrete valued for time series analysis was introduced by previous
researchers, that is Integer-Valued Autoregressive (INAR) model. The model involves both …

The space-time autoregressive modelling with time correlated errors for the number of vehicles in Purbaleunyi toll gates

U Mukhaiyar, FT Nabilah, US Pasaribu… - Journal of Physics …, 2022 - iopscience.iop.org
The space-time modelling considers the observations dependence based on time and
spatial simultaneously. One of popular models used is the Generalized Space-Time …

The Generalized STAR Modeling with Heteroscedastic Effects

U Mukhaiyar, S Ramadhani - … : Jurnal Matematika Murni …, 2022 - ejournal.uin-malang.ac.id
Abstract In general, the Generalized Space Time Autoregressive (GSTAR) model of space-
time assumes constant error variance. In this study, a GSTAR model was built with an error …

The generalized STAR modelling with three-dimensional of spatial weight matrix in predicting the Indonesia peatland's water level

U Mukhaiyar, AW Mahdiyasa, T Prastoro… - Environmental Sciences …, 2024 - Springer
The release rate of CO2 gas can be influenced by peatlands' physical properties, such as
water level and soil moisture, and rainfall. To anticipate the unstable condition which is …