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All Journal JOURNAL OF APPLIED INFORMATICS AND COMPUTING JISKa (Jurnal Informatika Sunan Kalijaga) Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Community Education Engagement Journal Iqtishaduna : Jurnal Ilmiah Mahasiswa Hukum Ekonomi Syariah Jurnal Pengabdian Masyarakat Sains dan Teknologi
Andi Cahyono
Unknown Affiliation
Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Social Sciences Other

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Sosialisasi Peran Informatika Medis dalam Dunia Teknologi dan Kesehatan pada Siswa SMK Sulthan Muazzam Syah Pekanbaru Andi Cahyono; Ervira Dwiaprini As Syifa; Tarbiah Nurjanah; Dwi Indah Purnama; Sri Utami Rizta
Jurnal Pengabdian Masyarakat Sains dan Teknologi Vol. 3 No. 4 (2024): Desember : Jurnal Pengabdian Masyarakat Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/jpmsaintek.v3i4.620

Abstract

The community service titled Socialization of the Role of Medical Informatics in Technology and Healthcare for Students of SMK Sulthan Muazzam Syah Pekanbaru aims to enhance students' understanding of the importance of information technology in the medical field. This activity was held on campus, focusing on the application of information technology in improving the efficiency, accuracy, and speed of healthcare services. The socialization involved 30 students who actively participated through interactive presentations and simulations of medical technology use cases. The methods used included visual presentations and open discussions about the role of technology in medical diagnosis and data management. Students were also given the opportunity to ask questions regarding career opportunities in the field of medical informatics. The results showed an increased understanding among students about the role of information technology in healthcare, with positive responses concerning career prospects in this field. This activity is expected to motivate students to explore further the application of information technology in the healthcare sector. Future activities are recommended to include more in-depth workshops or technical training in medical informatics.
Comparison of KNN and Random Forest Algorithms on E-Commerce Service Chatbot Zamakhsyari, Fardan; Makayasa, Bagas Adi; Hamami, R. Abudullah; Akbar, Muhammad Tulus; Cahyono, Andi; Amirullah, Amirullah; Hisyamuddin, Muhammad Zida; Siregar, Maria Ulfah
JISKA (Jurnal Informatika Sunan Kalijaga) Vol. 10 No. 1 (2025): January 2025
Publisher : UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jiska.2025.10.1.100-109

Abstract

Technology has a profound influence on our lives, with the expansion of e-commerce being a significant outcome that warrants attention. Given the prevalence of smartphones equipped with messaging apps and fast networks, people often utilize these platforms to communicate with sellers, offering a convenient way for sellers to engage efficiently with a diverse customer base. Recognizing this trend, there is a need for digital transformation of services to improve operational efficiency. Thus, this study aimed to compare the efficiency of classification algorithms in e-commerce service chatbots. The researcher employed machine learning techniques, specifically KNN and Random Forest algorithms, in this case. To assess the feasibility of the application, the chatbot results will be tested using the confusion matrix method to determine accuracy. From this study, it was found that the KNN method, combined with calculating word weight using TF-IDF, produces an accuracy value of 71.4%, thus confirming its feasibility.
Pelatihan Pengenalan Monetisasi Aplikasi di Google Play Store untuk Siswa SMK Global Cendekia dalam Pengembangan Aplikasi Mobile Gunadi, Gunadi; Kudadiri, Parlindungan; Nasution, Torkis; Efendi, Yoyon; Cahyono, Andi
Community Education Engagement Journal Vol. 7 No. 1 (2025): October
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/ceej.v7i1.24758

Abstract

Era digital saat ini membuka peluang besar bagi generasi muda, terutama siswa Sekolah Menengah Kejuruan (SMK), untuk berinovasi dalam pengembangan aplikasi mobile. Namun, pemahaman terkait monetisasi aplikasi, khususnya melalui platform Google Play Store, masih minim. Kegiatan pengabdian masyarakat ini bertujuan untuk memberikan pelatihan kepada siswa SMK Global Cendekia mengenai konsep, strategi, dan implementasi monetisasi aplikasi mobile agar karya mereka memiliki nilai ekonomi. Materi yang diberikan meliputi pengenalan jenis-jenis monetisasi aplikasi seperti iklan menggunakan Google AdMob, model freemium, dan berbayar. Selain itu, siswa diajarkan langkah-langkah teknis untuk mempersiapkan aplikasi agar dapat dipublikasikan di Google Play Store. Hasil kegiatan ini menunjukkan peningkatan pemahaman siswa terkait strategi monetisasi aplikasi dan keterampilan teknis dalam memanfaatkan platform Google Play Store. Siswa mampu menghasilkan aplikasi sederhana yang siap untuk dipublikasikan dengan penerapan strategi monetisasi dasar. Luaran ini diharapkan dapat memberikan bekal bagi siswa untuk memanfaatkan peluang ekonomi digital serta meningkatkan kreativitas dan inovasi di bidang teknologi informasi. Melalui kegiatan ini, siswa didorong untuk tidak hanya fokus pada pengembangan teknis aplikasi, tetapi juga memahami aspek bisnis digital yang relevan dengan tuntutan industri saat ini.
Calibration and Applied Statistical Modeling Using Logistic Regression on the UCI Heart Disease Dataset Cahyono, Andi; Ameriza, Inkha; Gunadi, Gunadi; As Syifa, Ervira Dwiaprini; Alqudah, Mashal Kasem
Journal of Applied Informatics and Computing Vol. 10 No. 1 (2026): February 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v10i1.11853

Abstract

Accurate and well-calibrated heart disease risk prediction is essential for supporting medical decision-making. This study analyzes Logistic Regression as an applied statistical model for heart disease prediction using the UCI Heart Disease dataset. Beyond discrimination metrics, we explicitly focus on probability reliability by evaluating calibration through the Brier score, calibration slope, and intercept, and by quantifying the impact of post-hoc calibration (isotonic regression and Platt scaling) on both calibration and discrimination. Model validation was conducted using stratified 5-fold cross-validation with AUROC, AUPRC, accuracy, and F1-score as evaluation metrics. The results show that Logistic Regression achieved competitive performance (AUROC 0.903; AUPRC 0.911; Accuracy 0.822; F1-score 0.835) with well-calibrated probability estimates relative to Random Forest and Gradient Boosting under the evaluated setting. Feature importance analysis using permutation methods identified chest pain type, number of major vessels (ca), ST depression (oldpeak), and exercise-induced angina (exang) as key predictors consistent with clinical literature. These findings indicate that simple applied statistical modeling, when paired with rigorous calibration assessment, can provide interpretable risk estimates that are more suitable for threshold-based decision support in early heart disease screening.
Pengaruh Literasi Keuangan Syariah, Kemudahan Aplikasi dan Kepercayaan terhadap Minat Mahasantri Ma’had Al-Jami’ah UIN Fatmawati Sukarno Bengkulu menggunakan M-Banking Bank Syariah Indonesia Fatmawati, Dinda; B, Idwal; Cahyono, Andi
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 12 No. 1 (2026): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v12i1.4986

Abstract

The purpose of this study was to determine the influence of sharia financial literacy, application convenience, and trust on the interest of Ma'had Al-Jami'ah UIN Fatmawati Sukarno Bengkulu students in using M-Banking Bank Syariah Indonesia. The research method used was quantitative with a primary data collection technique in the form of questionnaires distributed to 75 respondents. The data analysis technique used was the Partial Least Square (PLS) method with the help of the SmartPLS 4.1.1.6 application. The results showed that simultaneously, based on the bootstrapping results and the coefficient of determination (R2) value, the independent variables in the model as a whole had a significant effect on the dependent variable, with an R2 value of 0.835. Meanwhile, in the partial test, the sharia financial literacy variable did not have a significant effect on the interest of students in using M-Banking Bank Syariah Indonesia. This was proven by the t-statistic value of 0.410 < t-table of 1.96. The application convenience variable had a positive and significant effect on the interest of students in using M-Banking Bank Syariah Indonesia. This was proven by the t-statistic value of 3.629 > t-table of 1.96. The trust variable did not have a significant effect on the interest of students in using M-Banking Bank Syariah Indonesia. This was proven by the t-statistic value of 0.273 < t-table of 1.96. Based on the results of data analysis in this study, the application convenience variable has a significant effect on the Technology Acceptance Model (TAM) theory, which states that individuals tend to adopt new technologies if the system is considered free from heavy effort (effortless).
ANALISIS PENERAPAN NILAI-NILAI ETIKA BISNIS ISLAM DALAM PELAYANAN HOTEL LATANSA NUANSA SYARIAH KOTA BENGKULU Lisa Triani; Desi Isnaini; Andi Cahyono
Iqtishaduna: Jurnal Ilmiah Mahasiswa Hukum Ekonomi Syariah Vol 7 No 3 (2026): April
Publisher : Jurusan Hukum Ekonomi Syariah Fakultas Syariah dan Hukum Uin Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/iqtishaduna.v7i3.65978

Abstract

Abstrak Penelitian ini bertujuan untuk menganalisis penerapan nilai-nilai etika bisnis Islam dalam pelayanan Hotel Latansa Nuansa Syariah Kota Bengkulu. Penelitian ini menggunakan metode kualitatif dengan pendekatan deskriptif melalui observasi, wawancara, dan dokumentasi terhadap manajemen, karyawan, serta tamu hotel. Hasil penelitian menunjukkan bahwa hotel telah menerapkan beberapa nilai etika bisnis Islam, seperti keadilan dalam pelayanan, tanggung jawab dalam menjaga kualitas kebersihan dan kenyamanan tamu, serta penerapan prinsip ihsan melalui keramahan dan sikap profesional karyawan. Namun, terdapat beberapa aspek yang belum sepenuhnya sesuai prinsip syariah, seperti belum terpisahnya area wudhu laki-laki dan perempuan, serta belum tersedianya kantin halal di dalam lingkungan hotel. Faktor kendala lainnya adalah kurangnya pemahaman sebagian karyawan baru mengenai prinsip etika bisnis Islam. Meskipun demikian, pihak hotel melakukan pelatihan rutin untuk meningkatkan pemahaman karyawan terhadap nilai-nilai syariah. Secara keseluruhan, penerapan etika bisnis Islam di hotel ini sudah berjalan cukup baik, namun masih memerlukan peningkatan terutama pada aspek fasilitas dan sertifikasi halal. Kata Kunci: Etika Bisnis Islam, Pelayanan Hotel Syariah, Nilai-Nilai Syariah.   Abstract This study aims to analyze the implementation of Islamic business ethics values in the services of Hotel Latansa Nuansa Syariah in Bengkulu City. This research employs a qualitative descriptive method through observation, interviews, and documentation with hotel management, employees, and guests. The findings indicate that the hotel has implemented several Islamic business ethics values, such as fairness in service, responsibility in maintaining cleanliness and guest comfort, and the principle of ihsan through the hospitality and professionalism of its staff. However, several aspects have not fully met sharia principles, such as the non-separated ablution areas for men and women and the absence of an internal halal-certified canteen. Another challenge is the limited understanding of sharia-based ethics among newly employed staff. Nevertheless, the hotel regularly conducts training sessions to enhance employee competence regarding Islamic ethical values. Overall, the implementation of Islamic business ethics at the hotel is considered good, although improvements are still needed, particularly in the area of facilities and halal certification. Keywords: Islamic Business Ethics, Sharia Hotel Services, Sharia Values.
Co-Authors Akbar, Muhammad Tulus Alqudah, Mashal Kasem Ameriza, Inkha Amirullah -, Amirullah As Syifa, Ervira Dwiaprini B, Idwal Desi Isnaini Dwi Indah Purnama Ervira Dwiaprini As Syifa Fatmawati, Dinda Gunadi Gunadi Hamami, R. Abudullah Hisyamuddin, Muhammad Zida Kudadiri, Parlindungan Lisa Triani Makayasa, Bagas Adi Maria Ulfah Siregar Sri Utami Rizta Tarbiah Nurjanah Torkis Nasution Yoyon Efendi Zamakhsyari, Fardan