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All Journal Jifosi Prosiding Seminar Nasional Sisfotek (Sistem Informasi dan Teknologi Informasi)
Achmad Arbi Hanafi
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Computer Science & IT

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IMPLEMENTASI ALGORITMA REGRESI LINEAR UNTUK MEMPREDIKSI HARGA EMAS Andini Fitriyah Salsabilah; Muhammad Sabili Nurilhaq; Putra Dwi Wira G. Y; Achmad Arbi Hanafi; M. Daffa Atillah
JIFOSI Vol. 5 No. 3 (2024): Perkembangan dan Implementasi Kecerdasan Buatan dalam Sistem Informasi Modern
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jifosi.v5i3.461

Abstract

Penelitian ini bertujuan untuk memprediksi harga emas dengan menggunakan beberapa variabel bebas, yaitu kurs silver (SLV), indeks S&P 500 (SPX), kurs pada bursa saham "The United States Oil Fund" (USO), dan kurs nilai Euro (EUR) terhadap dollar Amerika Serikat (USD). Data yang digunakan dalam penelitian ini merupakan data sekunder yang bersumber dari "Gold Price Data" dengan total sebanyak 2290 observasi dan 7 kolom. Metode yang digunakan adalah regresi, yang merupakan teknik untuk membangun model prediktif berdasarkan nilai input yang diberikan. Hasil prediksi dievaluasi berdasarkan nilai Root Mean Square Error (RMSE), di mana nilai yang lebih kecil menunjukkan akurasi yang lebih baik. Hasil penelitian menunjukkan bahwa model single variable memiliki akurasi sebesar 73%, sementara model multi variable memiliki akurasi sebesar 84%. Untuk meningkatkan akurasi prediksi, penelitian ini merekomendasikan penggunaan model prediktif yang lain serta perbaikan dalam pembagian dataset untuk memastikan distribusi yang lebih representatif. Penelitian ini tidak hanya berkontribusi dalam memprediksi harga emas, tetapi juga dalam pengembangan model prediksi yang lebih akurat dengan memanfaatkan variabel ekonomi yang relevan. Kata Kunci : prediksi harga emas, regresi, kurs silver, indeks S&P 500, RMSE.
Peranan Kegiatan Ibu-Ibu PKK Lansia Pada Digitalisasi Kampung Kartini; Ratna Yulistiani; Rizky Fatkhur Rohman; Achmad Arbi Hanafi; Nabila Dwi Rahma; Daffa Rossi Ifanka
Prosiding SISFOTEK Vol 9 No 1 (2025): SISFOTEK IX 2025
Publisher : Ikatan Ahli Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This activity aims to provide training and assistance to PKK women in Menur Pumpungan RT 07 RW 04 in introducing and using websites as information and communication media. The use of information technology is very important to support various activities. Through this activity, participants were introduced to the basics of creating, managing, and utilizing websites. Qualitative research was conducted because the community service program must have an object and place for the implementation of the program. The group work method was used to find out and gather information from the research subjects. These methods include assessment, planning, and evaluation. Researchers and members became the main instruments. While PKK women became supporting instruments in the research. The research was conducted in several stages, which include: 1) planning, 2) implementation, 3) evaluation. In the planning process, researchers and members used several processes in the implementation stage which included: 1) pre-test, 2) website introduction education, 3) elderly health education, 4) post-test. The evaluation resulted in website education, enabling the participants to contribute to the development of the Menur Pumpungan Family Welfare Movement (PKK). Digitizing PKK activities has significantly increased the understanding of technology, particularly websites, among women, including the elderly. Women who were previously unfamiliar with websites now understand their functions and uses. They also learned about the dangers of website misuse and how to protect personal data.
Co-Authors Andini Fitriyah Salsabilah Daffa Rossi Ifanka KARTINI M. Daffa Atillah Muhammad Sabili Nurilhaq Nabila Dwi Rahma Putra Dwi Wira G. Y Ratna Yulistiani Rizky Fatkhur Rohman