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“COMPARATIVE STUDY OF KNN AND NAIVE BAYES ALGORITHMS WITH QUESTIONNAIRE DATA FOR STUDY PROGRAM RECOMMENDATION IN THE FACULTY OF ART AND DESIGN” Surya Darma; Nita Syahputri; Nurhayati
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 2 (2026): April 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i2.6267

Abstract

Abstract: The purpose of this study is to analyze and compare the performance of the K-Nearest Neighbor (KNN) and Naïve Bayes algorithms in providing study program recommendations in the Faculty of Arts and Design. The data were obtained from 250 respondents through a questionnaire consisting of 20 indicators related to students’ interests, abilities, creativity, technology, and career preferences. The research process included data preprocessing, data transformation, dataset splitting into training and testing data, modeling using the KNN and Naïve Bayes algorithms, and model performance evaluation using accuracy metrics. The data processing was carried out using the Python programming language on the Google Colab platform. The results showed that the KNN algorithm achieved an accuracy of 94%, while the Naïve Bayes algorithm obtained an accuracy of 92%. These findings indicate that the KNN algorithm performed better in classifying study program recommendations compared to the Naïve Bayes algorithm. It is expected that this research can serve as a foundation for developing a more effective decision support system to assist prospective students in selecting study programs that match their interests and abilities. Keywords: K-Nearest Neighbor (KNN), Naïve Bayes, Machine Learning, Classification, Study Program Recommendation.   Abstrak: Tujuan dari penelitian ini adalah untuk menganalisis dan membandingkan kinerja algoritma K-Nearest Neighbor (KNN) dan Naïve Bayes dalam memberikan rekomendasi program studi di Fakultas Seni dan Desain. Data diperoleh dari 250 responden melalui kuesioner yang terdiri dari 20 indikator yang berkaitan dengan minat, kemampuan, kreativitas, teknologi, dan preferensi karier mahasiswa. Proses preprocessing data, transformasi data, pembagian dataset menjadi data pelatihan dan pengujian, pemodelan menggunakan algoritma KNN dan Naive Bayes, dan evaluasi kinerja model dengan akurasi adalah bagian dari penelitian. Proses pengolahan data dilakukan pada platform Google Colab menggunakan bahasa pemrograman Python. Hasil penelitian menunjukkan bahwa algoritma KNN memiliki akurasi sebesar 94%, sedangkan algoritma Naïve Bayes memiliki akurasi sebesar 92%. Hasil ini menunjukkan bahwa algoritma KNN lebih baik dalam mengklasifikasikan rekomendasi program studi daripada algoritma Naïve Bayes. Diharapkan penelitian ini akan menjadi dasar untuk membuat sistem pendukung keputusan yang lebih baik yang membantu calon mahasiswa memilih program studi yang sesuai dengan minat dan kemampuan mereka. Kata Kunci: KNN, Naïve Bayes, Machine Learning, Klasifikasi, Rekomendasi Program Studi.
IT CAREER NAVIGATION: PERFORMANCE EVALUATION OF KNN AND NAÏVE BAYES IN CAREER PATH RECOMMENDATIONS FOR COMPUTER SCIENCE STUDENTS (CASE STUDY: BATTUTA UNIVERSITY) Surya Darma; Muhammad Irfan Sarif; Ahmad Jihad Alfayed; Andika Syahdewa; Katharina Tyas
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol. 9 No. 2 (2026): April 2026
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v9i2.6269

Abstract

Abstract: With the rapid development of information technology, there are many career options available in the field of informatics. However, it is often difficult for students to choose a specialization that matches their interests and abilities. The purpose of this study is to develop a career path recommendation system for informatics students and to evaluate the performance of the K-Nearest Neighbor (KNN) and Naive Bayes algorithms in classification tasks. The data used in this study were collected via a questionnaire comprising 22 assessment indicators related to students’ interests, academic understanding, and preferred work styles. A total of 300 respondent data points were utilized, with 20% allocated for testing and 80% for training. The research process included preprocessing, data transformation, modeling, and evaluation using accuracy, precision, recall, and F1-score metrics. The results show that the Naive Bayes algorithm outperforms KNN, achieving an accuracy of 97%, precision of 93%, recall of 93%, and an F1-score of 93%. Therefore, Naive Bayes is considered more optimal in terms of classification performance. It is expected that the developed system can assist students in determining their career paths in a more data-driven and objective manner. Keywords: Machine Learning, KNN, Naïve Bayes, Career Recommendation, Classification   Abstrak: Dengan berkembangnya teknologi informasi yang cepat, ada banyak pilihan karir di bidang informatika. Namun, sulit bagi mahasiswa untuk memilih spesialisasi yang sesuai dengan minat dan kemampuan mereka. Tujuan dari penelitian ini adalah untuk membuat sistem rekomendasi jalur karier untuk mahasiswa informatika dan juga untuk mengevaluasi bagaimana algoritma K-Nearest Neighbor (KNN) dan Naive Bayes bekerja dalam klasifikasi. Data yang digunakan diperoleh melalui kuesioner yang terdiri dari 22 indikator penilaian yang berkaitan dengan minat mahasiswa, pemahaman akademik, dan gaya kerja yang mereka sukai. Sebanyak 300 data dari responden digunakan, dengan 20% data dialokasikan untuk pengujian dan 80% untuk pelatihan. Proses penelitian termasuk tahapan preprocessing, transformasi data, pemodelan, dan evaluasi menggunakan metrik akurasi, presisi, recall, dan skor F1. Hasil penelitian menunjukkan bahwa algoritma Naïve Bayes lebih baik dibandingkan KNN dengan nilai akurasi 97%, presisi 93%, recall 93%, dan skor F1. Akibatnya, Naïve Bayes lebih optimal dalam member. Diharapkan sistem yang dibuat dapat membantu mahasiswa dalam menentukan karir mereka secara lebih berbasis data dan objektif. Kata Kunci: Machine Learning, KNN, Naïve Bayes, Rekomendasi Karier, Klasifikasi