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Arwani Arwani
Politeknik Kesehatan Kemenkes Semarang
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Journal : journal of applied informatics and computing

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Comparative Study of SVM and Decision Tree Algorithms on the Effect of SMOTE Technique on LinkAja Application Faruq, Muhammad Kholfan; Umam, Khothibul; Mustofa, Mokhamad Iklil; Mahfudh, Adzhal Arwani
Journal of Applied Informatics and Computing Vol. 9 No. 6 (2025): December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i6.9806

Abstract

The widespread adoption of digital wallets like LinkAja in Indonesia has led to a surge in user-generated reviews, which are valuable for assessing service quality. This study compares the classification performance of Support Vector Machine (SVM) and Decision Tree algorithms on user reviews from the LinkAja application. 7.000 reviews were gathered through web scraping and processed with standard text cleaning, tokenization, stopword removal, and stemming, resulting in 6,261 usable entries. These were divided into training and testing sets in a 70:30 ratio. The performance of each algorithm was evaluated both before and after the application of Synthetic Minority Oversampling Technique (SMOTE) to address class imbalance. Prior to SMOTE, SVM recorded an accuracy of 77.97%, precision of 0.74, recall of 0.33, and F1 score of 0.45, while Decision Tree reached 72.01% accuracy, 0.50 precision, 0.62 recall, and 0.55 F1 score. After SMOTE, SVM accuracy slightly improved to 78.29%, with notable increases in recall (0.74) and F1 score (0.60); Decision Tree also saw an accuracy rise to 74.56% but experienced a slight decline in F1 score to 0.52. These findings demonstrate that SVM, particularly when used with SMOTE, offers better overall performance and class balance in classifying reviews with imbalanced sentiment distribution, making it more suitable than Decision Tree for this application.
Public Opinion on The MBG Program: Comparative Evaluation of InSet and VADER Lexicon Labeling Using SVM on Platform X Zakiyah, Na'ilah Puti; Umam, Khothibul; Mahfudh, Adzhal Arwani
Journal of Applied Informatics and Computing Vol. 9 No. 6 (2025): December 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i6.9978

Abstract

This study aims to examine public opinion regarding the MBG program on platform X by utilizing the Support Vector Machine (SVM) algorithm using two sentiment labeling methods, namely InSet Lexicon and VADER Lexicon. The data was then divided into 70% for training and 30% for testing, and extracted using Term Frequency–Inverse Document Frequency (TF-IDF) to convert the text into numerical representations. The SVM model was trained on both labeled data sets to compare their performance based on evaluation metrics such as accuracy, precision, recall, and F1 score. The results show that labeling with VADER produces a more dominant number of neutral sentiments, while InSet Lexicon produces a more balanced distribution between positive, negative, and neutral sentiments. At the modeling stage, SVM with InSet labels achieved an accuracy of 80.10%, with precision of 0.81, recall of 0.80, and an F1 score of 0.79. Meanwhile, SVM with VADER labels achieved an accuracy of 93.83%, precision of 0.94, recall of 0.94, and an F1 score of 0.93. Although VADER showed higher accuracy values, InSet Lexicon is considered more efficient and relevant for sentiment analysis in Indonesia because it is capable of producing more balanced and contextual classifications.
Co-Authors Aat Ruchiat Nugraha Afifah Salsabila Afifah Salsabila Afikirtiani, Winda Ahilla Salma Alfaza Ahmad Baequny Ahmad Riadi Ahmad Riadi Alfaza, Ahilla Salma Anonim, Tri Ari Suwondo Arina Rihadatulaisy Sabila Arina Tina Salwa Bedjo Santoso Bedjo Santoso Kadri Budi Agus Cahyono Budi Widiyanto Cahaya Nugraheni Charis Kusnanto Chatarina Umbul Wahyuni Chyntia Haryana Dina Indrati Dyah Sulistyowati Diyah Fatmasari Dwi Ari Murti Widigdo Dwi Ari Widigdo DwiKurniadi, Septian Epf. Eko Yulipriyono Ermi Lilianda Alang Estuasih Dyah Pertiwi, Estuasih Dyah Fachry Abda El Rahman Fadhilah Rafi Musyaffa Fadhilah Rosyid Pradana Faruq, Muhammad Kholfan Fauzia, Fadhila Favian Agung Rizki Fitriyanti, Suci Abrelia Gusti Noorlitaria Achmad Hera Lusi Ayuandita Iis Sriningsih Ika Suciatmi Indar Widowati Irmalita Wigati Irmalita Wigati Irmawati Irmawati Irmawati Irmawati Jamhari Jamhari Jauhary, Ermilya Restiani Karlina, Leni Khairulisni Saniati Kharisma Anjar Nugraha Khothibul Umam Khotibul Umam Krisdiana Wijayanti Lestari, Shelvi Ovi Lucky Herawati Luh Komang Candra Dewi Lutfi Najib Mahendra Wekoadi, Galih Mardi Hartono Mardiyono Mardiyono Mardiyono, Mardiyono Marsum Marsum Martha Cintia Dewi Martha Cintia Dewi Masy Ari Ulinuha Melyana Nurul W Melyana Nurul Widyawati Mochammad Ali Ridho Fathoni Moh Hadi Subowo Mokhamad Iklil Mustofa Monika Herti Kurniasari Muhamad Jauhar Muhammad Azka Najih Al Wafa Mustofa, Hery Nabila Salsabila Nawang Setyoningrum Nina Indriyawati Nina Indriyawati Nina Indriyawati, MNS. Nisful Laila Novi Indriani Nuni Oktaviani Nur Cahyo Hendro Wibowo Nur Khasanah Nurul Huda Oktavia, Jinhan Nur Prabowo, Rully Hadi Pujiastuti, Rr Sri Endang Pujiastuti, Rr. Sri Endang Putra, Riskiyana Sukandhi Riskiyana Sukandhi Putra RISMAN ABDI RAPIUDDIN Rizki, Favian Agung Rodhi Hartono Roro Sri Endang Pujiastuti Rosmiati Saleh Rr. Sri Endang Pujiastuti Rumbrawer, Daud Yusuf Sahrul Ramadhani Sahrul Widyastuti Shelvi Ovi Lestari Shobirun Shobirun Shofi Putri Lathifah Silvia Ekasari Simanjuntak, Veronica Siti Nur Luthfiana Siti Nuraini Siti Rizki Amalia Siti Rochjani Siti Syarashinta Cahyaningsih Siti Wahyuni Sofyana, Yudha Sri Endang Windiarti Sri Endang Windiarti Sri Lestari Sri Sumarni Sri Wahyuni Sri Widiyati Sri Widiyati, Sri Sudiharto Sudiharto Sudirman Sudirman Sudirman Sugih Wijayanti Sugih Wijayati Sugih Wijayati, Sugih Suharsono Suharto Suharto Suharyo Hadisaputro Sunarto Sunarto Supardi Supardi Supardi Supardi Suprihatin Suprihatin Supriyadi Supriyadi Supriyana Supriyana Suryati Kumorowulan Suryati Kumorowulan Suryo Pratikwo Susanti, Maria Suwando, Ari Syaiful Bakhri Syaiful Bakhri Ta'adi Ta'adi Ta'adi . Tri Nova Aprianti Tri Wiji Lestari Umi Margi Rahayu Umi Toifah Valentina, Alina Veronika, Sindy Viola Violentina Wahyu Rizqy Saputra Warijan Warijan Wekoadi, Galih Mahendra Wenty Dwi Yuniarti Wien Soelistyo Adi Wien Soelistyo Adi Yuliartini, Henny Zaenal Amirudin Zakiyah, Na'ilah Puti Zulfa, Alfania