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All Journal KARMAPATI (Kumpulan Artikel Mahasiswa Pendidikan Teknik Informatika) ISSN: 2252-9063 PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Jurnal Informatika dan Teknik Elektro Terapan Information System for Educators and Professionals : Journal of Information System Information Management For Educators And Professionals (IMBI) KOPERTIP: Jurnal Ilmiah Manajemen Informatika dan Komputer METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi AL-TANZIM : JURNAL MANAJEMEN PENDIDIKAN ISLAM Indonesian Journal of Applied Informatics JOURNAL INFORMATICS, SCIENCE & TECHNOLOGY Jurnal Sistem Informasi dan Informatika (SIMIKA) Jurnal Informatika dan Rekayasa Perangkat Lunak Jurnal Accounting Information System (AIMS) INTERNAL (Information System Journal) JATI (Jurnal Mahasiswa Teknik Informatika) Media Informatika Journal of Innovation Information Technology and Application (JINITA) Madani : Indonesian Journal of Civil Society MEANS (Media Informasi Analisa dan Sistem) Tematik : Jurnal Teknologi Informasi Komunikasi Jurnal SAINTIKOM (Jurnal Sains Manajemen Informatika dan Komputer) Jurnal Informatika Terpadu International Journal of Social Science Instal : Jurnal Komputer Jurnal Janitra Informatika dan Sistem Informasi Journal of Artificial Intelligence and Engineering Applications (JAIEA) Jurnal Sistem Informasi dan Teknologi (SINTEK) Journal of Software Engineering and Information System (SEIS) AMMA : Jurnal Pengabdian Masyarakat Jurnal Sistem Informasi dan Manajemen Jurnal Accounting Information System (AIMS) INTERNAL (Information System Journal) Jurnal Kecerdasan Buatan dan Teknologi Informasi
Nining Rahaningsih
STMIK IKMI Cirebon
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences Other

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PENINGKATAN KLASIFIKASI KEMISKINAN INDONESIA MENGGUNAKAN METODE DECISION TREE Danil, Supta; Rahaningsih, Nining; Dana, Raditya Danar; ., Mulyawan
Jurnal Informatika dan Teknik Elektro Terapan Vol. 13 No. 2 (2025)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v13i2.6336

Abstract

Kemiskinan masih menjadi permasalahan signifikan di Indonesia, terutama dalam hal ketidaktepatan sasaran dalam pemerataan ekonomi. Oleh karena itu, penelitian ini bertujuan untuk mengembangkan model klasifikasi kemiskinan di tingkat kabupaten/kota di Indonesia menggunakan algoritma Decision Tree. Penelitian ini mengangkat beberapa rumusan masalah, antara lain pengembangan model klasifikasi, pengukuran performa model, dan analisis pengaruh pemilihan fitur terhadap akurasi model. Dataset yang digunakan bersumber dari Kaggle, terdiri dari 514 data dengan variabel seperti pengeluaran per kapita, Indeks Pembangunan Manusia (IPM), dan akses terhadap sanitasi layak.Proses penelitian mencakup tahapan preprocessing data, meliputi seleksi atribut, pembersihan data, dan transformasi atribut kategorikal menjadi numerik. Model klasifikasi yang dihasilkan menunjukkan akurasi hingga 87%, dengan analisis yang menyoroti pengeluaran per kapita dan akses terhadap sanitasi sebagai faktor utama yang memengaruhi tingkat kemiskinan. Evaluasi kinerja model dilakukan menggunakan matriks kebingungan, presisi, recall, dan F1-score, yang menunjukkan performa baik dalam membedakan kategori "miskin" dan "tidak miskin".
PEMANFAATAN ALGORITMA K-MEANS DALAM ANALISIS DATA PENJUALAN TOKO BUYUNG UPIK JS DI LAZADA Angraeni, Devita Fitri; Rahaningsih, Nining; Dana, Raditya Danar; Rohmat, Cep Lukman
Jurnal Informatika dan Teknik Elektro Terapan Vol. 13 No. 2 (2025)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v13i2.6438

Abstract

Banyaknya produk yang dijual oleh Toko Buyung Upik JS di Lazada menimbulkan kesulitan dalam menentukan produk yang laku dan kurang laku, sehingga terjadi ketidakseimbangan stok, seperti kelebihan pada produk yang kurang diminati dan kekurangan pada produk yang populer. Penelitian ini bertujuan mengelompokkan produk berdasarkan pola penjualan menggunakan teknik data mining untuk membantu strategi penjualan dan pengelolaan stok yang lebih efektif. Algoritma K-Means digunakan untuk clustering data penjualan, mencakup jumlah stok, transaksi, dan harga. Proses data mining meliputi tahapan Selection, Preprocessing, Transformation, Data Mining, dan Interpretation/Evaluation. Penentuan jumlah cluster optimal dilakukan dengan Elbow Method, sedangkan kualitas clustering dievaluasi menggunakan Davies Bouldin Index (DBI). Hasil penelitian menunjukkan jumlah cluster optimal adalah empat: Cluster 0 (83 produk, penjualan stabil), Cluster 1 (121 produk, penjualan tinggi), Cluster 2 (14 produk, kurang diminati), dan Cluster 3 (38 produk, penjualan moderat). Nilai rata-rata jarak dalam cluster adalah 54.941.560,812, dengan DBI sebesar 0,386 yang menunjukkan kualitas clustering cukup baik. Hasil ini memberikan wawasan bagi toko untuk memprioritaskan pengelolaan stok dan mengoptimalkan penjualan.
Creating Digital Literature through Transformational Leadership; Challenges and Solutions Sudrajat, Dadang; Dikananda, Arif Rinaldi; Rahaningsih, Nining; Cakranegara, Pandu Adi; Putra, Purniadi
JURNAL AL-TANZIM Vol 6, No 4 (2022)
Publisher : Nurul Jadid University, Probolinggo, East Java, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/al-tanzim.v6i4.3982

Abstract

This study aims to analyze and understand the principal's transformational leadership in realizing digital literacy. This study uses a qualitative approach to the type of phenomenology. Data collection techniques were carried out through interviews, observation, and documentation. Data analysis was carried out through several stages: data reduction, data presentation, and conclusion drawing or verification. The results showed that; transformational leadership strategy in increasing digital literacy by holding mini workshops and digital literacy examples. The challenges and solutions in transformational leadership are that teachers are still technology literate and not wholeheartedly in studying digitalization and inadequate internet access. This research has implications for the importance of designing educational institutions oriented toward developing digital literacy in responding to the challenges and demands of the times.
OPTIMASI MODEL XGBOOST UNTUK PREDIKSI PENYAKIT JANTUNG MENGGUNAKAN OPTUNA Optarina, Yasni; Suarna, Nana; Bahtiar, Agus; Rahaningsih, Nining; Prihartono, Willy
Jurnal Rekayasa Perangkat Lunak dan Sistem Informasi Vol. 6 No. 1 (2026)
Publisher : Department of Information System Muhammadiyah University of Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/seis.v6i1.10527

Abstract

Heart disease is one of the leading causes of mortality worldwide, emphasizing the need for accurate early detection systems. Machine learning models such as XGBoost have demonstrated strong performance in medical classification tasks; however, their effectiveness is highly dependent on optimal hyperparameter configurations. This study aims to improve the performance of XGBoost for heart disease classification by applying hyperparameter optimization using the Optuna framework with the Tree-structured Parzen Estimator (TPE) algorithm. The UCI Heart Disease dataset, consisting of 918 records, is used in this study. To address class imbalance, the Synthetic Minority Oversampling Technique (SMOTE) is applied to the training data. Model performance is evaluated using accuracy, precision, recall, F1-score, and ROC-AUC metrics. The experimental results show that the optimized XGBoost model achieves an accuracy of 89.13%, outperforming the baseline model with 87.50%, and improves recall from 87.50% to 89.10%. In addition, the optimized model attains a higher ROC-AUC value of 0.9319, indicating improved classification stability. These findings demonstrate that Optuna-based hyperparameter optimization effectively enhances the performance and reliability of XGBoost, making it suitable for supporting early heart disease diagnosis in medical decision support systems.
Strategi Otomatisasi Pemasaran Digital UMKM Melalui Pelatihan AI Dalam E-Commerce Fatihanursari Dikananda; Nining Rahaningsih; Ridho Nugroho; Vicky Pamungkas
AMMA : Jurnal Pengabdian Masyarakat Vol. 3 No. 3 : April (2024): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The utilization of Artificial Intelligence (AI) offers significant potential for Micro, Small, and Medium Enterprises (MSMEs) to optimize their digital marketing strategies on e-commerce platforms. This Community Partnership Program is designed to provide training to MSMEs regarding the application of AI in various aspects of digital marketing. The training covers customer experience personalization, market data analysis, promotion content optimization, and improved online advertising efficiency. Through this activity, it is expected that MSMEs can enhance their understanding and skills in implementing AI-based solutions to expand market reach, improve customer interaction, and achieve more optimal digital marketing results in the e-commerce era.
Pengembangan Aplikasi Informasi Posyandu dalam Meningkatkan Layanan Kesehatan Ibu dan Anak Nana Suarna; Nining Rahaningsih; Euis Fadilah; Farah Nur Farida
AMMA : Jurnal Pengabdian Masyarakat Vol. 1 No. 04 (2022): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

This Community Partnership Program aims to develop a Posyandu information system application to improve the efficiency and effectiveness of maternal and child health services. This application is designed to facilitate Posyandu officers in managing patient data, recording health histories, monitoring child development, and providing relevant health information. The application development includes needs analysis, user interface (UI) design, implementation of key features, and application usage training for Posyandu officers. It is expected that with this application, the quality of health services at Posyandu can be improved, and health information access for mothers and children can be facilitated.
Implementation of Deep Learning Based on Convolutional Neural Network for Detecting Images of Solar Panel Damage in Smart Grid Systems Camelia Putri Lestari; Nining Rahaningsih; Irfan Ali; Dodi Solihudin; Tati Suprapti
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 5 No. 3 (2026): June 2026
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v5i3.2225

Abstract

This study aims to implement Deep Learning based on Convolutional Neural Network (CNN) in detecting solar panel damage using thermal images as part of a Smart Grid system. The main problem addressed is the difficulty of early automatic identification of solar panel cell damage using conventional methods. Through the CNN approach, this study developed a classification model to distinguish between damaged (Defective) and undamaged (Non-Defective) solar panel conditions. The research stages included thermal image dataset collection, pre-processing, model training, and performance evaluation. The results showed that the CNN model was able to achieve an accuracy of over 87% with stable performance on the validation data. Visualization using the Grad-CAM method helps interpret the damaged areas that are the focus of the model's decision.
Cluster Analysis Using Principal Component Analysis Method and K-Means to Find Out the Compliance Group of Property Tax Rully Pramudita; Nining Rahaningsih; Sekar Puspita Arum; Medina Aprilia Putri; Sok Piseth
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol. 11 No. 1 (2023): March 2023
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v11i1.5924

Abstract

Abstract The village of Kendal has experienced a decline in local income due to the high rate of property tax arrears, with 226 taxpayers (19% of residents) known to have outstanding payments. Additionally, with 1,159 separate residents residing in 10 block areas with varying tax amounts, it has become increasingly difficult for the Village Apparatus to profile taxpayers based on their characteristics. To overcome these problems, a data analysis model based on Machine Learning technology will be developed using the Principal Component Analysis (PCA) Method combined with the K-Means method. The objective of this study is to create a cluster analysis model that can accurately map the characteristics of taxpayers, making it easier for the Village Apparatus to identify and assist residents who need to pay their property tax. This proposed solution will also simplify the reporting process to the central government regarding the estimated regional revenue sourced from property tax.
Model Machine Learning Untuk Prediksi Risiko Penyakit Liver Dengan Random Forest Teroptimasi Rizky Andrea Arifa; Nana Suarna; Agus Bahtiar; Nining Rahaningsih; Willy Prihartono
Jurnal Sistem Informasi dan Teknologi Vol 6 No 1 (2026): Jurnal Sistem Informasi dan Teknologi (SINTEK)
Publisher : LPPM STMIK KUWERA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56995/sintek.v6i1.204

Abstract

Penyakit liver merupakan salah satu kondisi kronis dengan tingkat mortalitas tinggi, sehingga diperlukan pendekatan prediksi yang akurat untuk mendukung deteksi dini. Penelitian ini bertujuan mengembangkan model machine learning untuk memprediksi risiko penyakit liver menggunakan algoritma Random Forest yang dioptimalkan dengan RandomizedSearchCV. Dataset yang digunakan terdiri dari 1.700 entri yang mencakup variabel klinis dan gaya hidup, termasuk usia, jenis kelamin, BMI, konsumsi alkohol, kebiasaan merokok, riwayat genetik, aktivitas fisik, diabetes, hipertensi, serta hasil Liver Function Test. Proses penelitian meliputi preprocessing, normalisasi skala, pembagian data menggunakan train-test split 80:20, pembangunan model baseline, dan optimasi hiperparameter. Hasil eksperimen menunjukkan bahwa optimasi menghasilkan peningkatan performa model, dengan akurasi 0.91, peningkatan recall sebesar 3.20%, dan AUC-ROC mencapai 0.96. Analisis feature importance menunjukkan bahwa LiverFunctionTest, BMI, dan AlcoholConsumption merupakan fitur paling berpengaruh terhadap prediksi risiko penyakit liver. Dengan demikian, Random Forest teroptimasi terbukti efektif dalam menghasilkan model prediksi yang akurat dan dapat digunakan sebagai alat pendukung keputusan dalam deteksi dini penyakit liver.
ALGORITMA RANDOM FOREST UNTUK PREDIKSI STATUS PINJAMAN BERDASARKAN SKOR KREDIT Hadit Attaufiqqurrohman; Ade Irma Purnamasari; Denni Pratama; Nining Rahaningsih; Willy Prihartono
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 12 No. 1 (2026): Volume 12 Nomor 1 Tahun 2026
Publisher : Universitas Methodist Indonesia

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Abstract

The rapid development of financial technology has encouraged financial institutions to adopt data-driven credit scoring systems in order to minimize the risk of default. However, many loan eligibility prediction models still face challenges such as data imbalance (class imbalance) and the limited capability of traditional models to capture non-linear relationships among variables. This study aims to develop a loan status prediction model using the Random Forest algorithm combined with the Synthetic Minority Oversampling Technique (SMOTE) and One-Hot Encoding (OHE) to improve model accuracy and generalization capability. The data used in this study are secondary data obtained from the public Kaggle platform, consisting of 45,000 records with 14 demographic and financial attributes. The research method employs a supervised learning approach with several stages, including data acquisition and preprocessing (data cleaning, normalization, encoding, and data balancing), Random Forest model training, and performance evaluation using accuracy, precision, recall, F1-score, and AUC metrics. The results show that the combination of Random Forest, SMOTE, and OHE achieves high predictive performance, with an accuracy of 94.8%, precision of 95.6%, recall of 93.7%, F1-score of 94.6%, and an AUC value of 0.972. The most influential variables in loan status prediction are credit_score, person_income, and loan_amnt. This approach is proven to be effective in addressing data imbalance issues and improving classification accuracy in identifying creditworthy and non-creditworthy borrowers.
Co-Authors ., Mulyawan Abdillah Fudholi, Luthfi Abdul Ajiz Abdul Rasyid Achmad Hidayat Ade Irma Purnamasari Ade Kurnia, Dian Ade Rizki Rinaldi Adila G Khiqmatiar Muchsin Ahmad Faqih Al-Maulid, Hisyam Alvianatinova, Via Andriyanti, Rina Anggita Pratiwi, Eksadevi Angraeni, Devita Fitri Arif Rinaldi Dikananda Arif Sofyan, Mohamad Awaliyah, Lia Ayi Andini Az Zahroh, Luthfia Fahmi Azarine, Divia Azhari, Shazifa Azizah, Maulidina Bakri, Saeful Basysyar, Fadhil Muhammad Basysyar, Fadil M Bustomi, Ziaudin Cakranegara, Pandu Adi Camelia Putri Lestari Cep Lukman Rohmat Dadang Sudrajat Dadang Sudrajat Danar Dana, Raditya Danar, Raditiya Danil, Supta Danya Rizki Chaerunisa Delisah Denni Pratama Destiawati, Deby Dewanty Rafu, Maria Dienwati Nuris, Nisa Dikananda, Arif Rinaldi Dimin, Egi Susanto Dodi Solihudin Dwi Efranie, Priska Edi Wahyudin Elisa Sriyulia Euis Fadilah Fadhil M. Basysyar Fadhil Muhammad Basysyar Fadhil, Fadhil Yudistianto Fadilah, Mochammad Fauzan Fajar, Miftahul Farah Nur Farida Fatihanursari Dikananda Faturachman, Rifcki Aziz Faujatun Hasanah Fidya Arie Pratama Frihandiansah, Riyandi Gifthera Dwilestari Gita Budiarti, Mariani Gusmiarni, Mia Gusnanto, Ferdi Gustipartsani, Kamaludin Hadi, Melawati Hadit Attaufiqqurrohman Haidar Fakhri Haryanto, Cep Herman Iin Ilham Kurniawan Ilham, Mokhamad Illahi, Asep Wahyu Imam Arifin imam maulana, imam Indra Wiguna Marthanu Irfan Ali Irfan Ali, Irfan Jafar Jafar Kamelia Faridah Kaslani Khalda Rifdan, Ghina Kharomiyah, Kharomiyah Kholil, Kholil AldiYatna Kurmasih, Masih Laduni, Pasya Lili Purani Lisyana, Zita Lukman Rohmat, Cep M. Basysyar, Fadhil Mamluatul Hikmah, Lulu Martanto . Medina Aprilia Putri Miftahul Akbar Mira Miranda Moch Rifki Firdaus Muhamad Basysyar, Fadhil Muhammad Abdullah Nahdi Muhammad Abdurohman Muhammad Basysyar, Fadhil Muhammad Taufik Hidayat, Muhammad Mulyana, Krisna Mulyawan Mulyawan, - Mulyawan, Mulyawan Nafilah, Mala Nana Mulyanasari Nana Suarna Narasati, Riri Narasati Nisa Dieanwati Nuris Nur Afrilia, Mela Nurhadiansyah Nurrochmah, Dina Siti Nursaniah, Rini Nurwijayanti Octavia Ningrum, Eka Puspita Odi Nurdiawan Optarina, Yasni Pii, Iwan Prasetia, Deni Pratama, Deni Pratama, Fidya Arie Pratama, Handreyan Rizki Prihartono, Willy Purnamasari, Ade Irma Purnamasari, Ade Purnamasari Putra, Purniadi Putri Nabilla Qodri M.A, M. Alifia Raditya Danar Dana Rahmasari, Fanny Rahmi Safitri, Rahmi Rano Rano Ranu Husna Ridho Nugroho Rifki Maulana, Muhamad Rini Astuti Riyandona, Siti Aiwastopa Rizki Ramadhan Rizky Andrea Arifa Rizky Wulandhari, Putri Roghib, Moh. Rohmat, Cep Lukman Rully Pramudita Ryanto, Bayu Saeful Anwar Saroji, Saroji Sekar Puspita Arum Siti Sa'diah Sofialaela, Annisa Sok Piseth Soni, Moh Sopa Marwah Sri Muflikah Kurniarti Sri Suwartini Suarna, Annisa Annastia Suarna, Nana Sutra Safira, Meita Syafi’i Bachtiar, Mochammad Syarif Maulana Yaasin Tati Suprapti Tengku Riza Zarzani N Tohidi, Edi Tohodi, Edi Tri Mukti, Aryanto Tuti Hartati Umi Hayati Usup Supendi Vicky Pamungkas Vina, Vina Widiya, Putri Willy Prihartono Windy Mardiyyah, Nita Wulandari, Maryam Yahya, Jakaria Yayah Sarwiyah Yudhistira Arie Wijaya Yulia Mustafa, Iva Zhahiran Herlambang, Prilanisa