Journal of Informatics and Interactive Technology (JIITE)
Vol. 2 No. 2 (2025): Agustus

Analisis Perbandingan Teknik Balancing CTGAN dan ADASYN untuk Deteksi Transaksi Penipuan

Firman Zamzami Aziz (Unknown)
Muhammad Agus Priyanto (Unknown)
Afridho Nur Zaki (Unknown)
Gilang Dely Mukti (Unknown)
Akhmad Fauzan (Unknown)
Adelia Najmi Raissa (Unknown)

Article Info

Publish Date
31 Aug 2025

Abstract

Ketidakseimbangan data menjadi tantangan utama dalam deteksi transaksi penipuan karena jumlah transaksi legal jauh lebih dominan. Penelitian ini membandingkan efektivitas metode ADASYN dan CTGAN dalam menyeimbangkan data dan meningkatkan performa model klasifikasi. Dataset berisi 6,3 juta transaksi dianalisis melalui preprocessing, seleksi fitur XGBoost, stratified sampling, balancing, dan modeling menggunakan Decision Tree, Random Forest, serta MLP Classifier. Hasil menunjukkan bahwa meskipun kedua metode meningkatkan distribusi kelas, performa metrik Precision dan F1-Score masih belum optimal. Diperlukan penerapan hyperparameter tuning serta eksplorasi metode balancing lain untuk hasil yang lebih baik.

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Journal Info
Journal of Informatics and Interactive Technology (JIITE)
Website

Abbrev

jiite

Publisher

Dwipantara Scientech Center

Subject

Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media

Description

The Journal of Informatics and Interactive Technology aims to provide a platform for the exchange of knowledge and innovation in the field of computer science, human-computer interaction, data analysis, artificial intelligence, information systems, computer engineering, and emerging technologies. ...