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MODELING AND FORECASTING BY THE VECTOR AUTOREGRESSIVE MOVING AVERAGE MODEL FOR EXPORT OF COAL AND OIL DATA (CASE STUDY FROM INDONESIA OVER THE YEARS 2002-2017)

2019 · International Journal of Energy Economics and Policy

The vector autoregressive moving average (VARMA) model is one of the statistical analyses frequently used in several studies of multivariate time series data in economy, finance, and business. It is used in numerous studies because …

Solving the Shortest Total Path Length Spanning Tree Problem Using the Modified Sollin and Modified Dijkstra Algorithms

2023 · Science & Technology Indonesia

In a weighted connected graph, the shortest total path length spanning tree problem is a problem when we need to discover the spanning tree with the lowest total cost of all pairwise distances between its …