Klasifikasi Metode Pembayaran Transaksi Menggunakan Algoritma Naïve Bayes dan Support Vector Machine: Studi Kasus 17 Coffee & Eatery

Lia Nur Aufa; Nurhadi Nurhadi; Yulia Arvita

doi:10.61132/prosemnasproit.v2i2.88

Authors

Lia Nur Aufa Universitas Dinamika Bangsa
Nurhadi Nurhadi Universitas Dinamika Bangsa
Yulia Arvita Universitas Dinamika Bangsa

DOI:

https://doi.org/10.61132/prosemnasproit.v2i2.88

Keywords:

klasifikasi, machine learning, metode pembayaran, Naïve Bayes, support vector machine

Abstract

This study aims to classify customer payment methods at 17 Coffee & Eatery using machine learning algorithms, namely Naïve Bayes and Support Vector Machine (SVM). The increasing use of digital and non-cash payments has generated large volumes of transaction data that are rarely analyzed optimally, even though such data contain valuable information for business decision making. This research used secondary transaction data collected from January to March 2025, consisting of 10,147 transaction records. The dataset included several attributes such as order time, payment time, transaction type, total sales, number of items, and payment method. Data preprocessing was performed through data cleaning, feature engineering, normalization, and label encoding before being divided into training and testing sets with an 80:20 ratio. The Naïve Bayes and SVM models were then trained and evaluated using accuracy, precision, recall, F1-score, and ROC–AUC metrics. The results show that both algorithms were able to classify payment methods effectively, but SVM achieved higher accuracy and more stable performance than Naïve Bayes. These findings indicate that SVM is more suitable for handling complex and heterogeneous transaction patterns. The implementation of machine learning for transaction classification can support more efficient financial management and data-driven decision making for small and medium enterprises in the culinary sector.

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