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Journal : Journal of Computer Science and Information Systems (JCoInS)

Analisis Kepuasan Masyarakat Terhadap Kinerja Bupati Labuhanbatu Selatan Periode 2021-2024 Menggunakan Metode Decision Tree dan Naive Bayes Ramadhani, Ramadhani; Harahap, Syaiful Zuhri; Suryadi, Sudi; Masrizal, Masrizal
Journal of Computer Science and Information System(JCoInS) Vol 6, No 3: JCoInS | 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jcoins.v6i3.7971

Abstract

This study was conducted to analyze the level of customer satisfaction with services by comparing the performance of two classification methods, namely Decision Tree and Naive Bayes, so that an accurate model can be obtained to assist decision making. This problem is important because understanding customer satisfaction patterns can be a strategic basis in improving service quality and maintaining loyalty. The theoretical basis used refers to the concept of machine learning classification, where Decision Tree forms a branching rule-based model based on attributes, while Naive Bayes relies on probability calculations based on Bayes' theorem with the assumption of independence between features. The research methodology includes data collection stages, pre-processing to ensure data quality, model training with both methods, and performance evaluation using Test & Score and Confusion Matrix. Based on the classification results, the Decision Tree method produces fairly good accuracy, precision, and recall, but the Naive Bayes method shows higher performance with an accuracy of 91.67%, a precision of the "Satisfied" class of 98.11%, and a recall of 92.86%, which indicates a very good level of prediction accuracy especially for the majority class. Evaluation of both methods shows that Naive Bayes excels in capturing existing data patterns, although Decision Tree still has good interpretability for classification rule analysis. In conclusion, both methods are capable of classifying customer satisfaction data with adequate performance, but Naive Bayes is recommended as the primary model due to its higher and more consistent evaluation results, while Decision Tree can be used as an alternative when model interpretation is a priority.
Co-Authors AA Sudharmawan, AA Abdillah, Amrullah Fajri Artha Abdul Hasan Amrullah, Taufik Abrar, Faturrahman Achmad Tavip Junaedi Adika Setia Brata Afiifah, Nailah Nur Ahda, Haryati Ahmad Said Ainal Fitri, Ainal Al Zany, Nazirah Aldi Saputra Alfarizi, Achmad Machdor alfira, alfira Alhaddadi, Alhaddadi Almeida, Annisa Amal Taufiq Amalia, Rizqoh Amarullah, Taufik Abdul Hasan Amelia, Sarah Putri Amri Amri Andika Triansyah Andika, Putri Andleeb, Naima Andri Yanto Andriani, Rini Dewi Andromeda Andromeda Anhar Anhar Arfah, Siti Yulianty Chansah Armainingsih, Armainingsih Arthamivera, Meica Asmaul Husna Asrar Mabrur Faza, Asrar Mabrur Awalia, Nurhafipah Ayuna, Laiya Azzumar, Farchan B, Syafriadi Baharuddin Paloloang Br Kaban, Karmila Br. Marbun, Nur Azizah Cahyadi, Maulana Abdullah Dafina Howara Dafrizal, Dafrizal Dalimunthe, Irma Ramayani Damanik, Muhd. Hayyanul Damri Damri Darmina Eka Sari Rangkuti Dedy Juliandri Panjaitan Desniarti, Desniarti DEWI FITRIA, DEWI Dewi Septiani, Dewi Domo, Alfun Khoir Dwi Rahayu, Intan Dzakwan, Ibnu Efendi Efendi Eka Putri, Desi Ekardo, Apando Engkizar, Engkizar Erlin Trisyulianti Ernidawati, Ernidawati Fadhilah, Nurul Wardani Fadilla, Fadilla Fadillah, Balqis Dwi Fadillah, Jihan Husna Fadilurrahman, M. FEBRIANI, LINDA Febrianto, Hary Febriyanti, Elisa Fiddin, Fahmi Fitri Arnia Friska Prasyta Harlis Gusrio Tendra Hafo, Sungguhati Hamdani, Kemal Handari, Rahma Dewi Handayani, Revi Hanum, Yuspa Hanum, Yuspa Haowraida, Haowraida Harahap, Alwi Padly Harahap, Nurul Fazri Harry Patuan Panjaitan Haruno, Hardayani Haryati Ahda Nasution Hasibuan, Anjelina Khairani Helda Helda Hendrik Jimmyanto Herawati, Yanti Heryadi, Heryadi Hidayati Rais Hutabarat, Sri Aswita I Ketut Wiryajati Ibna, Reihana Ramadlani Ida Ayu Putu Sri Widnyani Ida Bagus Fery Citarsa Ihsan, Rafiki Irawan, Ira Fauziah Irmayani, Ade Iskandar, M. Yakub Ismai, Ismai Israq Maharani Jahara, Nila Jahma, Amelia Jahrizal Jannah, Nour Javier Purba, Reynaldi Julhadi, Julhadi Junaina, Eka Kamil, Rheschy Auliya Kurniawan, Tahta Lubis, Lega Reskita Lutfitasari, Devi M. Nasir M. Rahmad M. Rahmad M. Rahmad, M. Rahmad Maqvirah, Annisa Mardianto, Putri Sekar Mastura, Fina Matondang, Rika Eliza Mayeni, Riska Meilina, Agnes Melshandika, Yola Misnasanti, Misnasanti Mualim, Mualim Muchamad Zaenuri, Muchamad Muhammad Faisal Muhammad Ichsan Muhibbah, Nur Mulyadi Mulyadi Mulyawan Safwandy Nugraha Murwaningsih, Rahayu Mustapha, Norzieha Mutmainnah Mutmainnah Muzakkir Muzakkir Nada, Dina Qatrun Nafisah, Zawahir Namira, Silva Nasution, Ismail Fahmi Arrauf Nasution, Pebrijah Nazila, Laini Nazira, Rosma Nicholas Renaldo Nofriadi Nofriadi Norarida, Norarida Nurdalilah, Nurdalilah Nurhafni Siregar Nurhalizah, Siti Nurhasnah Nurhasnah Oktamalasendi, Unik OKVIANI SYAFTI, OKVIANI Permatasari, Luthfia Prawiyata, Yugi Diraga Priyandy, Deddy Okta Purba, Elda Naida Purnama, Intan Putra, Dino Adi Putra, Rio Syaenanda Putri, Annisa Fadhillah Putri, Desi Eka Quthni Effida, Dara rahayu, Intan dwi Rahmah Rahmah Rahman, Ikhwan Rahmawati Husein, Rahmawati Rahmi, Intan Meutia Rahmi, Rhadiatul Raisa, Namira Ramadhanu, Ramadhanu Ramdani Ramdani Raudah, Siti Qira’atu Nur Refliandi , Irvan Riandi Riandi Rindiani, Rizki Rindu Twidi Bethary, Rindu Twidi Ritonga, Irmayanti Rusdha Muharar, Rusdha Rusliadi Rusliadi Safira, Nadia Safitri, Novi Angga Sahbar, Robi Said Fadhlain Sakir Sakir, Sakir Salamah, Qonita Nur Salsabila, Nada Syiva Saputra, Bobi Sari, Cut Kanza Lindia Sari, Dwi Novita Sari, Tiara Indah Sarmila, Sarmila Sefrinal Sefrinal, Sefrinal Sembiring, Novia Rovalanda Sinaga, Dea Jufani Sipahutar, Tuti Sumyati Siregar, Irwan Efendi Siregar, Yasril Efendi Hamdy Sri Kartini, Sri Subban, Subban Suci Rahmawati, Suci Suhartanta Suhartanta Sukayasa Sunita, Della Surtikanti Hertien Koosbandiah, Surtikanti Suryadi, Sudi Syafitri, Linda Evi Syahrial Shaddiq Syaiful Zuhri Harahap Syamsiar, Syamsiar Tambunan, S. Cristin Tamimi, Nurul Amirah Tanjung, Eka Agustin Taufik Hidayat Teddy Chandra Tri Yunis Miko Wahyono Tri Yunis Miko Wahyono Tuti Alawiyah Utami, Sri Ulfa veni Veni, veni Veronica, Kristy Victor G Simanjuntak Vira Afriati, Vira Vratiwi, Septiana Wardana, Andin Mutia Wardani, Hizmi Wau, Rael Malia Putri Wilda Susanti Windy Lestari Wiwita, Risma yanti nazmai, yanti Yasrul Sami Yaumas, Nova Erlina Yuhdi Fahrimal Zahari, Cut Latifah Zainal Asril Zainul Abidin Zuhra, Aliskha Zulfahmi Zulfahmi Zulfaneti Zulfaneti