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All Journal Semantik VISIKES E-Bisnis : Jurnal Ilmiah Ekonomi dan Bisnis Jurnal Manajemen Dayasaing Journal of Information System Ikonomika : Jurnal Ekonomi dan Bisnis Islam Jurnal Mirai Management Jurnal Maneksi (Management Ekonomi Dan Akuntansi) Jurnal EMT KITA Applied Industrial Engineering Journal Owner : Riset dan Jurnal Akuntansi YUME : Journal of Management Journal of Innovation in Business and Economics Business Management Analysis Journal (BMAJ) Jurnal Ilmiah Edunomika (JIE) Management Studies and Entrepreneurship Journal (MSEJ) Jurnal Inovasi Ekonomi Science Midwifery Abdimasku : Jurnal Pengabdian Masyarakat EKONOMI, KEUANGAN, INVESTASI DAN SYARIAH (EKUITAS) JURNAL CAPITAL : Kebijakan Ekonomi, Manajemen dan Akuntansi Economics and Digital Business Review International Journal of Research in Community Services JURNAL ILMIAH GLOBAL EDUCATION MANAJEMEN ProBisnis : Jurnal Manajemen Dinamika Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) Jurnal Indonesia Sosial Sains Studies in English Language and Education Innovative: Journal Of Social Science Research Jurnal Riset dan Inovasi Manajemen Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Jurnal Informatika: Jurnal Pengembangan IT FINANCE : International Journal Of Management Finance E-Amal: Jurnal Pengabdian Kepada Masyarakat International Journal of Accounting, Management, and Economics Research : Ijamer
Dwi Eko Waluyo
Universitas Dian Nuswantoro
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Dentistry 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 Library & Information Science Materials Science & Nanotechnology Mathematics Neuroscience Nursing Physics Public Health Social Sciences Veterinary Other

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Journal : Jurnal Informatika: Jurnal Pengembangan IT

 1 
Aplikasi Prediksi IHSG Berbasis Web Dengan Integrasi Multi-Algoritma Dwi Eko Waluyo; Cinantya Paramita; Hayu Wikan Kinasih; Dewi Pergiwati; Fauzi Adi Rafrastara
Jurnal Informatika: Jurnal Pengembangan IT Vol 9, No 2 (2024)
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/jpit.v9i2.6193

Abstract

The four regression algorithms used in predicting the Composite Stock Price Index (IHSG) have contributed significantly, as the test results show that the Decision Tree algorithm outperforms k-Nearest Neighbor, Linear Regression, and Random Forest, especially in terms of Mean Squared Error (MSE) and R2 score. The stages of data collection, pre-processing, and modeling, followed by model performance measurement, have provided valuable insights into the effectiveness of each algorithm. The success of the Decision Tree in this testing has further propelled its development into a web-based application. This conversion process, following the outlined flowchart, integrates various essential aspects of the model, including user interface and back-end integration, ensuring that the application can be accessed and used efficiently and effectively. Furthermore, the black box testing and User Acceptance Testing (UAT) results, using the Mean Opinion Score (MOS), enhance the validity and reliability of the application. Black box testing involving 2 features with 37 steps demonstrates the system's effectiveness in producing valid outputs, from the initial menu display to the prediction results. Additionally, UAT involving students and entrepreneurs as respondents provides in-depth insights into user acceptance. With a focus on functionality at 97.08%, reliability at 96.09%, and usability at 98.09%, UAT yields high scores in all three aspects, with usability achieving the highest score. These results not only confirm the efficiency of the system in performing its functions but also indicate a high level of user satisfaction, strongly suggesting the potential for widespread adoption of this application in the future.
Komparasi dan Implementasi Algoritma Regresi Machine Learning untuk Prediksi Indeks Harga Saham Gabungan Dwi Eko Waluyo; Hayu Wikan Kinasih; Cinantya Paramita; Dewi Pergiwati; Rajendra Nohan; Fauzi Adi Rafrastara
Jurnal Informatika: Jurnal Pengembangan IT Vol 9, No 1 (2024)
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/jpit.v9i1.6105

Abstract

Indeks Harga Saham Gabungan (IHSG) or Indonesia Composite Index (ICI) is part of the macro indicators of a country that describes the economic condition of a country. ICI is an interesting study to research since its existence will be able to show market sentiment regarding an event that occurred in a country. This research tries to predict the ICI in the future based on historical data. The dataset used in this research is publicly available in Yahoo Finance. The experiment is conducted by implementing some regression machine learning algorithms, such as Decision Tree, Random Forest, k-Nearest Neighbor (kNN), and Linear Regression. As a result, Decision Tree has the lowest MSE value compared to other methods: 1268.242. In this research, a website-based application prototype was also developed that can be used to view IHSG graphs and make future predictions, using the 4 (four) tested algorithms.
Co-Authors Agus Prayitno Alfiena Nisa Belladiena Alifa Mei Ajeng Rahayu Amron Amron Amron Amron Amron Amron, Amron Anggraini, Fitria Dewi Puspita Aprianti Artha Febriana Aryanto, Vincent Didiek Wiet Azra Salma Shabira Banu, Azlina Batara David Martin Siregar Belzara, Ghea Syahnita Brian Au Batuwael Chasanah, Amalia Nur Cinantya Paramita Daffa Ulya Zamani Dewi Agustini Dewi Pergiwati Dian Prawitasari Diana Aqmala Diana Puspitasari Diana Puspitasari Dwi Nurul Izzhati Eli Martohap Sinaga Fakhmi Zakaria Fariza Amalia Fauzi Adi Rafrastara Fitria Anggaini Goh, Gerald Guan Gan Handy Nur Cahya Hayu Wikan Kinasih Hernanti, Sania Bunga Pradani Herry Subagyo Herry Subagyo Herry Subagyo Jumanto Jumanto, Jumanto Kamal Ilyas Kurniawati, Firlia Ayuk Lenni Yovita Makhbub Zunaidi Maulana Yusuf Herlambang Mega Ayu Lestari Mila Elmeida Minghat, Asnul Dahar Bin Mochammad Eric Suryakencana Wibowo Muhammad Alvinnur Budiansyah Muhammad Lukmanul Hakim Nadiyatul Mustaufidah Nurman Ilham Fadzilah Perdana, Reza Kresna Permatasari, Noviana Putri Pitaloka Andry Kirana Pradana Jati Kusuma Pradana Jati Kusuma Pramudianto, Chori Baskoro Prawitasari, Dian Puji Purwatiningsih, Aris Pulung Nurtantio Andono Purnomo, Ardiansyach Maulana Raden Arief Nugroho Rahayu, Alifa Mei Ajeng Rajendra Nohan Ramasamy, Suganthi ramayanti, ismarita Respati Wulandari Respati Wulandari Respati Wulandari Retno Indah Hernawati Sarah Setyaningrum Sasongko, Teguh Haryo Setiawan, Aries Setyani, Putri Desti Setyo Wahyu Sulistyono Setyo Wahyu Sulistyono Sih Darmi Astuti Sih Darmi Astuti Sintaruli Siahaan Siti Fitriyyatul Jamilah Uci Yuliati udzma, Dyah Safa’atul Usman Usman v, Amalia Nur Vicky Oktavia Vivia Irvani Widhi, B. Andini Nugrahaning YESHA NU'MA ARULA PUTRI Zalfa Adira Choirunisha Zamani, Daffa Ulya