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All Journal Jurnal Matematika UNAND Indonesian Journal of Statistics and Its Applications
Newton Newton
Department of Statistics, IPB University, Indonesia
Computer Science & IT Mathematics Other

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KEKOMUTATIFAN PADA GRUP PERMUTASI Newton .
Jurnal Matematika UNAND Vol 2, No 3 (2013)
Publisher : Jurusan Matematika FMIPA Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jmu.2.3.73-76.2013

Abstract

Some research about cycle permutations and disjoints on cycle nonemptysets has been posted in some papers. However, the degree of the generalization of thisresult is varies. In this paper we studied the notion disjoint to be applied in arbitrarycollections of permutations on arbitrary nonempty sets.
ANALISIS INFLASI MENGGUNAKAN DATA GOOGLE TRENDS DENGAN MODEL ARIMAX DI DKI JAKARTA Newton Newton; Anang Kurnia; I Made Sumertajaya
Indonesian Journal of Statistics and Applications Vol 4 No 3 (2020)
Publisher : Departemen Statistika, IPB University dengan Forum Perguruan Tinggi Statistika (FORSTAT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/ijsa.v4i3.694

Abstract

Inflation is an important economic indicator in showing the economic symptoms of a region's price level. DKI Jakarta is the capital of Indonesia chosen as the center of the economic barometer because it can provide the greatest contribution and influence on the Indonesian economy. The ARIMAX model was used for forecasting by adding independent variables in the Google trends data. Google trends data were explored based on seven expenditure groups published by IHK. The purpose of this study was to determine the effect of forecast Google trends using BPS inflation data in DKI Jakarta. The result of the exploration of Google Trends data was forecasted to get the best forecast model results. The result of data analysis indicates that the forecast results approached the original BPS data with the best forecast model is ARIMAX (2.0.3) all variables X. Google Trends data can be used as forecasting but cannot be used as a reference policy decision.
Co-Authors Anang Kurnia I Made Sumertajaya