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All Journal JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Knowledge Engineering and Data Science JURTEKSI JATI (Jurnal Mahasiswa Teknik Informatika) Journal of Intelligent Decision Support System (IDSS) LEBAH IJETH
Mahardika Abdi Prawira Tanjung
Universitas Muhammadiyah Sumatera Utara, Medan, Indonesia
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Multivariate Analysis Approach to Factor-Affected Tuberculosis Disease Gultom, Zuli Agustina; Siregar, Farid Akbar; Tanjung, Mahardika Abdi Prawira; Hazidar, Al-Hamidy
Knowledge Engineering and Data Science Vol 6, No 2 (2023)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um018v6i22023p114-128

Abstract

Tuberculosis is a disease caused by infection with the mycobacterium tuberculosis complex. Tuberculosis attack organ besides the lung, such as the pleura, lining of the brain, lining of the heart, lymph gland, bones, joint, skin, intestines, kidney, urinary tract, and genital. This disease is found in densely populated settlements with poor sanitation, lack of ventilation and sunlight and lack of rest. Moreover, the factors that will be analyzed in this research are Population Density (X1), Number of HIV/AIDS (X2), number of toddlers who experience nutrition (X3), Number of toddlers who experience BCG immunization (X4), number of toddlers who get exclusive breastfeeding (X5), Total families with PHBS (X6), number of residents with healthy homes (X7), number of families with clean water facilities (X8), number of families with ownership of latrine sanitation (X9), number of families with have landfills (X10), number of families have management waste place (X11), number of elementary education facilities (X12), Number of junior school education facilities (X13), Number of senior school education facilities (X14), Number of institutions fostered by neighborhood health (X15), Number of Posyandu (X16), Number Life Expectancy (X17), Literacy Rate (X18), Human Development Index (X19), Number of Tuberculosis sufferers (X20). This research aims to analyze what variables influence each other on the prevalence rate of tuberculosis in the city of Surabaya. The method used in this research is a multivariate analysis using factor analysis, cluster analysis, biplot analysis and discriminant analysis. This discriminant analysis determines accuracy by calculating the value (1-APER). The resulting research the Number of HIV/AIDS, number of residents with healthy homes, and Number of families with ownership of Sanitation (latrine, landfills, waste management) have a high correlation with the spread of tuberculosis in Surabaya. Meanwhile, areas with a high rate of tuberculosis are Tambaksari, Wonokromo, Sawahan, and Semampir.  The classification analysis accuracy level was 90.32% and the accuracy of the resulting model or discriminant function was very high. So that discriminant analysis can be used for predicting the accuracy of tuberculosis prevalence rates.
Implementation of simple additive weighting in determining employee performance based on android at BSI Bank KCP Perbaungan Tanjung, Mahardika Abdi Prawira; Syafii, Rahmad
Journal of Intelligent Decision Support System (IDSS) Vol 7 No 4 (2024): December: Intelligent Decision Support System
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/idss.v7i4.261

Abstract

This study aims to develop and implement a Decision Support System (DSS) based on the Simple Additive Weighting (SAW) method for employee performance evaluation at BSI Bank KCP Perbaungan. The main problems faced by the bank are subjectivity and inefficiency in performance evaluation using manual methods. With this Android-based DSS, employee performance evaluations can be carried out more objectively and transparently, based on criteria such as productivity, work quality, attendance, and teamwork ability. This study involves data collection through observation and interviews with bank management to determine the weights of the criteria used in performance evaluation. The SAW method is then applied to process employee performance data and generate a final score used to identify the best employees. The results show that the SAW method is effective in improving the accuracy and speed of performance evaluations. The implementation of the Android-based DSS simplifies management in handling employee data and generating real-time performance reports. This study concludes that the use of the SAW method in an Android-based DSS can reduce subjectivity in evaluations and improve decision-making efficiency at BSI Bank KCP Perbaungan.
Prediction of price decrease in used cars using decision tree in Habib Car Showroom Ardiansyah, Muhammad; Tanjung, Mahardika Abdi Prawira
Journal of Intelligent Decision Support System (IDSS) Vol 7 No 4 (2024): December: Intelligent Decision Support System
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/idss.v7i4.262

Abstract

This study aims to predict the decline in the price of used cars using the Decision Tree method at the Habib Car Showroom. The main problem at the Habib Car Showroom is that there is no system that can predict the price of cars at the Habib Car Showroom. With this research, the prediction of car prices at the Habib Mobil Showroom will be more objective and very helpful for the Habib Car Showroom. This study predicts through criteria and any damage to the cars at the Habib Car Showroom, such as year of manufacture, engine condition, and body condition. Furthermore, this Decision Tree method is useful for calculating how much the price will drop through the damage to the car that will be seen in the condition of the damage. This study will produce objective and accurate results according to the damage to the car or not damaged to the car, and this study can help the Habib Car Showroom predict prices easily, objectively, and accurately.
Implementation of AHP method in decision support system for AC brand selection at PT. Gemilang Haris, Muhammad; Zulherry, Andi; Limbong, Isman Efendi; Tanjung, Mahardika Abdi Prawira
Journal of Intelligent Decision Support System (IDSS) Vol 7 No 3 (2024): Intelligent Decision Support System (IDSS)
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/idss.v7i3.257

Abstract

The selection of the optimal AC brand for PT Gemilang faces complex challenges as it involves the evaluation of various criteria such as quality, cost, energy efficiency, and after-sales service. This research aims to apply the Analytic Hierarchy Process (AHP) method to determine the best AC brand based on these criteria. The AHP method is used to develop a comparison matrix, calculate the weights of criteria and alternatives, and check the consistency of the results. The analysis results show that Brand B has the highest final weight, making it the most optimal choice compared to the other alternatives. The implications of this study show that the AHP method can be effectively used for multi-criteria decision-making in product selection, providing data-driven recommendations and reducing subjective bias in the selection process. This research makes a significant contribution to a more structured decision-making practice at PT Gemilang.
Penguatan Peran Rumah Literasi Ranggi dalam Mendorong Literasi Anak melalui Sistem Inventarisasi dan Kemitraan Eksternal di Desa Sampali Prawira Tanjung, Mahardika Abdi; Haris, Muhammad; Basit, Lutfi
Lebah Vol. 19 No. 2 (2025): November: Pengabdian
Publisher : IHSA Institute

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

Abstract

Rumah Literasi Ranggi merupakan komunitas berbasis masyarakat di Kabupaten Deli Serdang yang berfokus pada peningkatan budaya literasi dan kreativitas anak-anak serta remaja. Namun, pengelolaan koleksi bacaan masih menghadapi kendala akibat ketiadaan sistem inventarisasi yang terstruktur dan keterbatasan kerja sama eksternal, terutama dalam hal sponsorship dan pelatihan literasi. Program pengabdian ini bertujuan memberikan solusi melalui pengembangan website terintegrasi yang berfungsi sebagai katalog digital buku, wadah donasi, serta portal kemitraan dan pelatihan. Metode pelaksanaan meliputi persiapan, sosialisasi, pelatihan pengelolaan digital, implementasi teknologi, pendampingan, evaluasi, hingga strategi keberlanjutan. Partisipasi aktif mitra didorong pada setiap tahap, mulai dari perancangan fitur hingga pengelolaan konten. Hasil yang diharapkan adalah peningkatan jumlah donasi buku, terbangunnya sistem pencatatan koleksi yang transparan, serta perluasan jejaring sponsorship dan relawan. Selain memperkuat manajemen internal, inovasi ini diharapkan memberikan dampak sosial-ekonomi yang signifikan, antara lain peningkatan akses bacaan, perluasan pelatihan literasi, serta penguatan kapasitas masyarakat lokal dalam memanfaatkan teknologi untuk mendukung pendidikan dan pemberdayaan
Co-Authors Abdurrafy Hasibuan, Rifky Adhitya Syahputra, Muhammad Agus Suryadi Andi Zulherry Cut Try Utari Fachri, Barany Farid Akbar Siregar Febrianti, Eka Lia Frainskoy Rio Naibaho Hazidar, Al-Hamidy Izzuddin Mubarok, Muhammad Jannah, Aulia Juliansyah Putra Tanjung Lely Fitri Hasibuan Limbong, Isman Efendi Lutfi Basit Muhammad Ardiansyah MUHAMMAD HARIS Muhathir, Muhathir Ricky Ramadhan Harahap Syafii, Rahmad Syahdilan, Akbar Taufik Ismail Simanjuntak Zuli Agustina Gultom