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All Journal The Journal of Experimental Life Sciences (JELS) Jurnal Sosial Ekonomi Pertanian CAUCHY: Jurnal Matematika Murni dan Aplikasi Jurnal Mahasiswa Statistik Journal of Innovation and Applied Technology Jurnal Teknologi Informasi dan Ilmu Komputer JURNAL ILMIAH MATEMATIKA DAN TERAPAN PERFORMA : Media Ilmiah Teknik Industri BAREKENG: Jurnal Ilmu Matematika dan Terapan Proceeding Simposium Nasional Kelautan dan Perikanan JMM (Jurnal Masyarakat Mandiri) JTAM (Jurnal Teori dan Aplikasi Matematika) Jurnal Pertanian Agros Zero : Jurnal Sains, Matematika, dan Terapan ComTech: Computer, Mathematics and Engineering Applications Jurnal ABDINUS : Jurnal Pengabdian Nusantara Inferensi Rengganis Jurnal Pengabdian Masyarakat MATHunesa: Jurnal Ilmiah Matematika Pakem : Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Official Statistics ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat Journal of Community Empowerment International Journal of Informatics Engineering and Computing Studia: Journal of Humanities and Education Studies
Atiek Iriany
Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health Social Sciences Transportation Other

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PENAMBAHAN METODE NEURAL NETWORK DALAM PEMODELAN GSTAR-SUR UNTUK MENGATASI KASUS NON LINIER PADA PERAMALAN DATA CURAH HUJAN Atiek Iriany; Adji Achmad Rinaldo Fernandes; Achmad Efendi; Henida Ratna Ayu Putri; Danang Ariyanto; Wigbertus Ngabu
MATHunesa: Jurnal Ilmiah Matematika Vol. 12 No. 01 (2024)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathunesa.v12n1.p226-236

Abstract

Salah satu model peramalan yang dapat yang menggabungkan unsur spasial (spatial) dan temporal (time) adalah Generalized Space Time Autoregressive (GSTAR). Pendugaan parameter yang digunakan adalah Seemingly Unrelated Regression (SUR). Peramalan iklim pada tanaman hortikultura pada masa kini sulit untuk diprediksi karena memiliki pola dan karakteristik yang sulit diidentifikasi dan dapat disebut aktivitas non linier. Unsur non linier ini dapat ditangkap oleh metode neural network. Penelitian ini ingin mengetahui hasil peramalan curah hujan pada 6 wilayah di Tengger menggunakan model GSTAR dengan pendugaan parameter menggunakan metode SUR dan digabungkan dengan neural network agar hasil peramalan yang lebih akurat. Data yang digunakan dalam penelitian ini adalah data curah hujan enam lokasi di wilayah Tengger, yakni Ngadirejo, Puspo, Wonokitri, Argosari, Ngadas, dan Wonokerto. Model yang tepat dalam melakukan peramalan pada data curah hujan pada 6 lokasi Tengger adalah model GSTAR (1,2,3,4,5,6,7,36(1)) Backpropagation Neural Network (96-120-6).
Comparing Adaptive Kernels in Geographically and Temporally Weighted Regression for Stunting in East Nusa Tenggara, 2021–2023 Danang Ariyanto; Henny Pramoedyo; Atiek Iriany; Isnani Darti
ZERO: Jurnal Sains, Matematika dan Terapan Vol 10, No 2 (2026): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v10i2.30987

Abstract

Stunting remains a major public health challenge in East Nusa Tenggara, Indonesia. This study compares Gaussian, Bisquare, and Exponential adaptive kernels in Geographically and Temporally Weighted Regression (GTWR) to model spatiotemporal variation in stunting determinants. District-level panel data from 22 districts/municipalities during 2021-2023 were used, yielding 66 space-time observations. Models were evaluated using R², RMSE, spatial-temporal parameter tests, and a spatial-only GWR baseline. The Bisquare adaptive GTWR produced the strongest in-sample fit (R² = 98.58%; RMSE = 0.7647), improving over the Bisquare GWR baseline (R² = 46.98%; RMSE = 4.6703), although this high fit should be interpreted cautiously. GRDP per capita, poverty rate, and maternal education showed significant spatial-temporal variability, while the sanitation and clean water access variable was not significant (F₃ = 1.0938; p = 0.4771). GTWR may serve as an exploratory tool for identifying local stunting patterns.
Co-Authors Achmad Efendi Achmad Efendi Adji Achmad Rinaldo Fernandes Adji Achmad Rinaldo Fernandes Agung Sugeng Widodo Agus Dwi Sulistyono, Agus Dwi Agustinus J.P Ana Saga Amanda, Devi Veda Ani Budi Astuti Aniek Iriany Arditama Putra Rochmanullah Arianto, Danang Arifin Noor Sugiharto Arifin Noor Sugiharto Aris Subagiyo Asaliontin, Lisa Ayu Aisyah Ashari Bambang Dwi Argo Bestari Archita Safitri Brenda Rahmahdania Budi Astuti, Ani Candra Rezzining Wulat Sariro Weni Utomo Cecep Kusmana Chairunissa, Abela Danang Ariyanto Danang Ariyanto Danang Ariyanto Darmanto Darmanto David Forgenie Devi Veda Amanda Dewi, Anggi Seftia Dhanny Septimawan Sutopo Elok Waziiroh Eni Sumarminingsih Fachira Haneinanda Junianto Faddli Lindra Wibowo Fernandes, Adji Fernandes, Adji Achmad Rinaldo Firdaus, Cahyani Jannah Fudianita, Citra Hamdan, Rosita Haneinanda Junianto, Fachira Hartawati, Hartawati Heni Kusdarwati Henida Ratna Ayu Putri Henny Pramoedyo Henny Pramoedyo Henny Pramoedyo Husna Atikah Indi Rizqy Fahrani Indrayani, Fahmi Isnani Darti Iwan Setiawan Kamelia Hidayat Khoiril Anam KIKI FIBRIANTO Kristono Yohanes Fowo Maghfiro, Maulidya Maghfiro, Maulidya Maisaroh, Ulfah Marhen Andan Prasetyo Mellysa Isnaini Moh. Zhafran Hidayatulloh Muhamad Firdaus Muhamad Ridwan Nabila Ayunda Sovia NI WAYAN SURYA WARDHANI Ni Wayan Surya Wardhani Ni Wayan Surya Wardhani Nikmatul Khoiriyah Novi Nur Aini Novi Nur Aini, Novi Nur Nugroho, Arief Budi Nugroho, Salma Fitri Nur Baladina Nur Silviyah Rahmi Nur Sofi Sely Oktavia Ola, Petrus Kanisius Pramaningrum, Dea Saraswati Prayudi Lestantyo Putra, Arditama Rahma Fitriani Reyna Virginia Nona Ridlo, Mahmuddin Rinaldo Fernandes, Adji Achmad Riza, Sativandi Rosyida, Diana Rudiat Sekarsari, Cindy Sepriadi, Hanifa Solimun Solimun Solimun Solimun, Solimun Sovia, Nabila Ayunda Suci Astutik Sugiarto S Sukamto, Ika Sumiyarsi Suryawardhani, Ni Wayan Susinggih Wijana Sutopo, Dhanny Septimawan Taufiq Ismail Ullah, Mohammad Ohid Uswatun Hasanah Viky Iqbal Azizul Alim Waego Hadi Nugroho Wardhani, Ni Wayan Surya Wigbertus Ngabu Wulandari, Eka Shinta Yuliana, Mila