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All Journal Jurnal Review Pendidikan dan Pengajaran (JRPP) Jurnal Nasional Holistic Science EDUCTUM: Journal Research Tashdiq: Jurnal Kajian Agama dan Dakwah
Aqil, Muhammad Fachri
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Religion Humanities Computer Science & IT Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Other

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Prediction of Increase in House Prices Using Newton's Divided Difference Method Hutapea, Risca Octaviyani; Sinaga, May Rani Tabitha; Lubis, Muhammad Shadri Ismaun; Aqil, Muhammad Fachri
Holistic Science Vol. 4 No. 3 (2024): Jurnal Nasional Holistic Science
Publisher : Lembaga Riset Mutiara Akbar NOMOR AHU-0003295.AH.01.07 TAHUN 2021

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/hs.v4i3.771

Abstract

This research predicts house price increases using Newton's Divided Difference Method based on historical datasets from the Melbourne Housing Snapshot (2016–2017). A pattern of rising home prices that is consistent with a linear trend is revealed by preliminary investigation. By building an interpolation polynomial using Newton's Divided Difference Method, home prices in 2025 are predicted to be AUD 1,753,391.53. This technique works well for spotting upward price trends in data that is continuously distributed linearly. These results offer crucial information to help with strategic choices in market research and real estate investing. This approach may accurately simulate the link between year (an independent variable) and house prices (a dependent variable) by using Newton polynomials. The impact of market demand and other economic factors on sharply rising property prices is reflected in these projections.
ANALISIS FAKTOR-FAKTOR PENYEBAB PERCERAIAN DI PROVINSI SUMATERA UTARA DAN KABUPATEN DELI SERDANG Nurmayani; Pulungan, Zakiy Maulana; Aqil, Muhammad Fachri; Harahap, Adi Gunawan; Tamara, Angga; Lubis, Hafiz Khalik; Lubis, M. Shadri Ismaun; Triono, Wira
Tashdiq: Jurnal Kajian Agama dan Dakwah Vol. 12 No. 4 (2025): Tashdiq: Jurnal Kajian Agama dan Dakwah
Publisher : Cahaya Ilmu Bangsa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4236/tashdiq.v12i4.12292

Abstract

Penelitian ini bertujuan untuk menganalisis faktor-faktor penyebab perceraian di Provinsi Sumatera Utara dan Kabupaten Deli Serdang selama periode 2018-2023. Data sekunder diperoleh dari Kantor Urusan Agama (KUA) Kecamatan Percut Sei Tuan dan Badan Pusat Statistik (BPS) Provinsi Sumatera Utara. Metode penelitian yang digunakan adalah kualitatif deskriptif dengan analisis statistik untuk mengidentifikasi tren dan distribusi perceraian berdasarkan faktor penyebabnya. Hasil penelitian menunjukkan bahwa perselisihan dan pertengkaran terus-menerus menjadi faktor dominan penyebab perceraian, berkontribusi lebih dari 70% terhadap total kasus di kedua wilayah. Faktor ekonomi juga memainkan peran signifikan, terutama dalam memperburuk hubungan rumah tangga. Di Provinsi Sumatera Utara, angka perceraian tertinggi terjadi pada tahun 2020 dan 2021 dengan 17.270 kasus, sedangkan di Kabupaten Deli Serdang, puncak perceraian terjadi pada tahun 2021 dengan 2.973 kasus. Analisis ini mengindikasikan bahwa ketahanan keluarga di kedua wilayah masih rentan terhadap konflik domestik dan tekanan ekonomi.
Spatial Analysis of Earthquake Distribution Patterns in North Sumatera in 2022 Using Moran's Test and Moran Scatter Plot Mapping Hutapea, Risca Octaviyani; Sinaga, May Rani Tabitha; Lubis, Muhammad Shadri Ismaun; Aqil, Muhammad Fachri
EDUCTUM: Journal Research Vol. 4 No. 2 (2025): Eductum: Journal Research
Publisher : Lembaga Riset Mutiara Akbar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56495/ejr.v4i2.1006

Abstract

This study aims to analyze the spatial distribution patterns of earthquake occurrences in North Sumatra during 2022 using spatial statistical approaches, namely the global Moran’s I autocorrelation test and Local Indicators of Spatial Association (LISA), visualized through a Moran Scatter Plot. The data used in this study are secondary data obtained from the official earthquake catalog released by the Meteorology, Climatology, and Geophysics Agency (BMKG), including information on geographic location, time of occurrence, magnitude, and depth of earthquakes. The analysis was conducted using R and QGIS software, applying three types of spatial weighting: inverse distance, k-nearest neighbors (KNN), and adaptive Gaussian kernel functions. The results of the Moran’s I test revealed significant global spatial autocorrelation, indicating that earthquakes with similar magnitudes tend to cluster geographically. In contrast, the LISA analysis showed that most points did not exhibit significant local spatial association, although a few clusters of high-high, low-low, high-low, and low-high types were identified. These findings confirm the presence of spatial patterns in the distribution of earthquakes in North Sumatra, which are relevant for supporting mitigation efforts and spatially-based disaster management planning.
PERHITUNGAN DANA PENSIUN METODE ENTRY AGE NORMAL BERBASIS MODEL SUKU BUNGA VASICEK Pulungan, Zakiy Maulana; Lubis, Hafiz Khalik; Aqil, Muhammad Fachri; Manullang, Sudianto
Jurnal Review Pendidikan dan Pengajaran Vol. 8 No. 2 (2025): Volume 8 No. 2 Tahun 2025
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jrpp.v8i2.44515

Abstract

Penelitian ini mengkaji perhitungan dana pensiun menggunakan metode Entry Age Normal (EAN) berbasis model suku bunga Vasicek. Model ini digunakan untuk menghitung iuran normal dan kewajiban aktuaria dalam program pensiun, dengan mempertimbangkan fluktuasi suku bunga. Hasil penelitian menunjukkan bahwa penggunaan model Vasicek menghasilkan estimasi yang lebih realistis dan konservatif dibandingkan dengan penggunaan suku bunga konstan. Perhitungan yang menggunakan model Vasicek memberikan hasil yang lebih rendah pada iuran normal dan kewajiban aktuaria, mengindikasikan bahwa model ini mencerminkan kondisi suku bunga yang fluktuatif dan lebih sesuai untuk perencanaan pensiun jangka panjang. Semakin muda usia masuk kerja, semakin besar manfaat pensiun yang diterima, yang mempertegas pentingnya perencanaan pensiun sejak awal masa kerja.
Co-Authors Harahap, Adi Gunawan Hutapea, Risca Octaviyani Lubis, Hafiz Khalik Lubis, M. Shadri Ismaun Lubis, Muhammad Shadri Ismaun Manullang, Sudianto Nurmayani Pulungan, Zakiy Maulana Sinaga, May Rani Tabitha Tamara, Angga Triono, Wira