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All Journal Edufisika: Jurnal Pendidikan Fisika Journal of Artificial Intelligence and Digital Business Jurnal Bayesian : Jurnal Ilmiah Statistika dan Ekonometrika JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah)
Febrianti, Tanti
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Astronomy Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Mathematics Physics

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IMPLEMENTATION OF HOLT-WINTER METHOD TO FORECAST FOOD SUB-GROUP OF CONSUMER PRICE INDEX IN SERANG CITY Febrianti, Tanti; Mahuda, Isnaini; Rahmatullah, Asep; Mursyidah, Himmatul
Jurnal Bayesian : Jurnal Ilmiah Statistika dan Ekonometrika Vol. 4 No. 2 (2024): Jurnal Bayesian : Jurnal Ilmiah Statistika dan Ekonometrika
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/bay.v4i2.85

Abstract

Serang City is belong in 90 inflation cities in Indonesia and first ranking in the city with the highest inflation rate in Banten Province in 2021. Consumer Price Index (CPI)is an index used to measure the rate of inflation/deflation. The one of CPI category is Food. This research aims to predict the value of the CPI at COICOP of Food in Serang City after pandemic of Covid-19. The data used is secondary CPI data for the Food sub-group in Serang City for the period January 2020 to June 2022 obtained from the official website of the Central Statistics Agency (BPS). In this research, to predict the CPI of the Food Sub-group in Serang City using the Holt-Winter method. Results of the research showed that the CPI data pattern of the Food Sub-group in Serang City had a Multiplicative Holt-Winter pattern with seasonal length is 12. The accuracy of the forecasting value was carried out by calculating the average MAPE and MSE errors. The optimal parameter weight of Holt-Winter Multiplicative method obtained alpha is 0.5, gamma is 0.3 and delta is 0.1. Forecasting using Holt-Winter Multiplicative method obtained a significant increase in the CPI value from July to December 2022 with the MAPE accuracy value is 0.72261 and the MSE is 1.33681
Pengaruh Persepsi, Pengetahuan Dan Promosi Terhadap Minat Masyarakat Menggunakan Bank Syariah Febrianti, Tanti; Siregar, Mulki
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 2 (2025): Mei - Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i2.1128

Abstract

Penelitian ini dilaksanakan dengan maksud untuk mengkaji pengaruh dari persepsi, pengetahuan, dan promosi yang dijalankan terhadap tingkat minat masyarakat terhadap penggunaan produk serta layanan yang tersedia perbankan syariah di Kecamatan Senen. Metode yang diterapkan adalah kuantitatif dengan pendekatan asosiatif. Sebanyak 100 responden dijadikan sampel pada penelitian ini, dimana responden tersebut merupakan pengguna Bank Syariah. Pengumpulan data dilakukan melalui instrumen kuesioner, kemudian dianalisis dengan bantuan aplikasi Smart PLS 4.0., dengan pengujian validitas konvergen, validitas diskriminan, reliabilitas komposit, serta pengujian hipotesis. Hasil pengujian secara individu menunjukkan bahwa variabel persepsi tidak memberikan kontribusi yang signifikan dalam mempengaruhi minat. Sementara itu, variabel tingkat pengetahuan menunjukkan adanya kontribusi positif dan signifikan terhadap minat, demikian pula dengan variabel promosi. Secara keseluruhan, hasil pengujian menunjukkan bahwa ketiga variabel tersebut secara serempak berpengaruh positif dan signifikan terhadap minat masyarakat dalam menggunakan layanan Bank Syariah. Kata kunci: Persepsi, Pengetahuan, Promosi, Minat, Bank Syariah.
MAXWELL'S EQUATIONS AND ELECTROMAGNETIC WAVES: SHAPING MODERN TECHNOLOGY Winarni, Kiki Ayu; Febrianti, Tanti; Putra, Gede Mudita Edi; Akhsan, Hamdi; Ismet, Ismet
EduFisika: Jurnal Pendidikan Fisika Vol 10 No 2 (2025): EduFisika: Jurnal Pendidikan Fisika Volume 10 Nomor 2 August 2025
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59052/edufisika.v10i2.43898

Abstract

This meta-analysis investigated how Maxwell's Equations and electromagnetic waves shaped key advances in modern technology. A systematic review was conducted across major academic databases, initially identifying 150 otential sources. Applying predefined inclusion criteria, findings were synthesized from 30 included studies. This synthesis revealed that these foundational concepts shaped technological advancement by providing the essential theoretical framework for understanding electromagnetic wave generation, propagation, and interaction with matter. This understanding was found to be pivotal in enabling breakthroughs across diverse domains identified in the synthesized literature, including Wireless Communication, Microwave Technology, Medical Imaging, Renewable Energy, and Metamaterials, among other related fields. This synthesis provides a comprehensive perspective on the mechanisms by which fundamental electromagnetic theory underpins technological progress. The findings underscore the enduring practical relevance of Maxwell's Equations and electromagnetic waves for research and engineering and offer valuable material for physics education by demonstrating their tangible impact in shaping the modern world.
Pengaruh Penggunaan Sumber Belajar Terhadap Hasil Belajar Fisika Kelas XI di SMA Muhammadiyah 2 Palembang Ardiantini, Devi; Febrianti, Tanti; Akhsan, Hamdi; Kistiono
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 9 No. 2 (2025): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v9i2.4494

Abstract

This study aims to analyze the influence of learning resource utilization on the physics learning outcomes of Grade XI students at SMA Muhammadiyah 2 Palembang. The learning resources examined include textbooks, instructional videos, and online materials. The research instrument consists of 10 validated survey items designed to represent key indicators of learning resource use, such as frequency of utilization, diversity of sources, and relevance of materials. The survey was administered to 73 randomly selected respondents via Google Forms. Data were analyzed using simple linear regression. The results show a significance value of 0.000013 (< 0.05) and an F-value of 22.010, which exceeds the F-table value of 3.94, indicating a significant influence of learning resource utilization on students’ physics learning outcomes. Thus, the more optimally learning resources are utilized, the higher the students’ achievement in physics.
Co-Authors Ardiantini, Devi Asep Rahmatullah Hamdi Akhsan Himmatul Mursyidah Ismet Ismet, Ismet Kistiono Mahuda, Isnaini Putra, Gede Mudita Edi Siregar, Mulki Winarni, Kiki Ayu