Vol. 8 No. 02 (2026)

Articles

• Forecasting Indonesian Nickel Reference Mineral Prices Using a Hybrid Intervention-Neural Network Model

  Febiani Putri Ardhana, Meiliyani Siringoringo, Sri Wahyuningsih, Desi Yuniarti, Erlyne Nadhilah Widyaningrum

  137-149

  DOI : https://doi.org/10.35580/variansiunm501

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• Negative Binomial Regression for Low Birth Weight (LBW) Cases in Kolaka Regency

  Rista Utami, Irma Yahya, Baharuddin

  151-156

  DOI : https://doi.org/10.35580/variansiunm505

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• The Effects of Poverty, Average Years of Schooling, and Expected Years of Schooling on the Net Enrolment Rate for Senior High School and Equivalent Levels in the Sulawesi and Maluku Regions, 2018–2023

  Rahul Fikri Alamsyah Rahul

  157-166

  DOI : https://doi.org/10.35580/variansiunm561

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• Implementation of the Hierarchial Clustering Method to Predict the Number of Domestic Tourist Trips in East Java Province

  Dara Agustina, Muayyad

  167-178

  DOI : https://doi.org/10.35580/variansiunm463

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• The Contribution of Digital Advertising and Social Media to Product Purchase Decisions

  Maya Saftari, Agus Purnawan, Agus Setiyoko, Yulizar, Fairus Rahman

  179-187

  DOI : https://doi.org/10.35580/variansiunm571

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• ARIMA Modeling for Forecasting Indonesia’s Per Capita CO2 Emissions and Literature Study of Photobioreactor-Based Mitigation

  Henny Syahrani, Fadli Ardiansyah, Nabila Nur Faiza, Samuel Kevin, Neli Agustina

  188-197

  DOI : https://doi.org/10.35580/variansiunm650

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• Application of Truncated Spline Nonparametric Regression to Modeling the Factors Affecting Economic Growth in South Sulawesi Province

  Hijriah hijriah, Ruliana, Rahmat Hidayat

  198-208

  DOI : https://doi.org/10.35580/variansiunm629

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• Geographically Weighted Regression with Adaptive Gaussian and Bisquare Kernels for Dengue Cases in South Sulawesi

  Nurul Amelia, Hardianti Hafid, Rahmat H S

  209-220

  DOI : https://doi.org/10.35580/variansiunm552

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• Comparison of Methods Fuzzy Time Series Chen And Fuzzy Time Series Cheng On the Closing Price Forecast of PT Bank Central Asia Tbk (BBCA) Shares

  Maslahatul Khaerat, Muhammad Fahmuddin S, Zakiyah Mar’ah

  221-236

  DOI : https://doi.org/10.35580/variansiunm531

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• Analysis of Value at Risk (VaR) on Stock Portofolios using The T-Student Copula Method

  Artono, Muhammad Nusrang, Muhammad Kasim Aidid

  237-254

  DOI : https://doi.org/10.35580/variansiunm632

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• Application of the Hybrid ARIMA-ANN Method to Predict the Stock Price of PT Telekomunikasi Indonesia (TLKM)

  Inaya Zalsabilah, Ansari Saleh Ahmar, Isma Muthahharah

  255 - 268

  DOI : https://doi.org/10.35580/variansiunm543

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• Application of the K-Nearest Neighbor (K-NN) Algorithm for Disease Classification Based on Eye Images

  St. Nadira Zalzabila Zalzabila, Sudarmin, Zulkifli Rais

  269 - 279

  DOI : https://doi.org/10.35580/variansiunm621

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