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All Journal JURNAL PENDIDIKAN TAMBUSAI Instal : Jurnal Komputer Jurnal Ekonomi Bisnis Manajemen dan Akuntansi (Jebisma)
Sari, Ayu Sekar
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Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Social Sciences

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PENGARUH PROFITABILITAS, LIKUIDITAS, LEVERAGE DAN UKURAN PERUSAHAAN TERHADAP HARGA SAHAM (Studi Empiris pada Perusahaan Sub Sektor Telekomunikasi yang Terdaftar di Bursa Efek Indonesia Periode 2019 – 2023): Fakultas Ekonomi dan Bisnis, Universitas Budi Luhur Sari, Ayu Sekar; Laksmiwati, Mia
Jurnal Ekonomi Bisnis Manajemen dan Akuntansi (JEBISMA) Vol 2 No 1 (2024): Agustus 2024
Publisher : PT. Media Edutama Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70197/jebisma.v2i1.37

Abstract

ABSTRACT The aim of this study is to identificate how firm size, liquidity, profitability, and leverage impact the value of its shares. The businesses operating in the telecommunications subsector that are listed on the Indonesia Stock Exchange for the 2019–2023 timeframe make up the population that is used. Through the use of purposive sampling and secondary data, this study produced a population of 22 firms, of which 15 were listed on the Indonesia Stock Exchange in the the telecommunications subsector between 2019 and 2023. Multiple linear regression analysis, done with the Statistical Program for Social Science (SPSS) version 22, is the analysis approach used. The study's conclusions show that while liquidity and leverage have little bearing on the value of shares, profitability and firm size do.
Analysis of Dengue Fever Spread Prediction Using Ensemble Learning Approach with Xgboost and Random Maulana, Halim; Sari, Ayu Sekar
Bahasa Indonesia Vol 16 No 03 (2024): Instal : Jurnal Komputer
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jurnalinstall.v16i03.227

Abstract

Dengue hemorrhagic fever (DHF) is a significant infectious disease in tropical countries, with a major public health impact. This study aims to develop a predictive model to estimate the number of dengue cases in two cities, San Juan and Iquitos, using the Random Forest and XGBoost algorithms. The dataset used is DengAI: Predicting Disease Spread, which includes various environmental and weather features such as temperature, rainfall, humidity, and vegetation index, as well as the number of dengue cases reported. The research process begins with data pre-processing to ensure data quality and suitability. After that, the predictive model was built using Random Forest and XGBoost. The model performance evaluation was carried out using Mean Absolute Error (MAE). The results showed that the XGBoost model had a better performance in predicting the number of dengue cases than the Random Forest model, with a lower MAE for both cities. The resulting predictive model can assist health authorities in planning and implementing more effective preventive measures. This study confirms the potential use of machine learning techniques in infectious disease epidemiology and provides important insights into environmental factors that influence the spread of dengue.
Tradisi Khitanan dalam Perspektif Agama dan Budaya Maryamah, Maryamah; Syafina, Klarisa Anastasya; Nurhafisyah, Dwi; Sari, Ayu Sekar; Aufagholi, Gea
Jurnal Pendidikan Tambusai Vol. 9 No. 2 (2025): Agustus
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Khitanan atau sunatan merupakan tradisi penting yang mengandung nilai keagamaan, sosial, dan budaya di berbagai komunitas, terutama di Indonesia. Dalam ajaran Islam, khitanan dianggap sebagai bagian dari fitrah manusia yang memiliki dimensi kebersihan fisik dan ketaatan spiritual, dengan dasar hukum yang berasal dari hadits dan kisah Nabi Ibrahim. Selain Islam, tradisi khitanan juga dipraktikkan dalam agama Yahudi melalui upacara brit milah sebagai simbol perjanjian suci dengan Tuhan. Di Indonesia, khitanan sering diiringi dengan prosesi adat yang memperkuat nilai sosial dan identitas budaya setempat. Sementara itu, di negara Barat, khitanan lebih banyak dilakukan atas alasan medis, dengan perdebatan mengenai hak anak dan etika medis. Tradisi ini menghadapi tantangan dari aspek modernisasi, akses layanan medis, serta pergeseran nilai masyarakat. Namun, khitanan tetap dipandang sebagai ritual penting yang diwariskan secara turun-temurun dengan makna kebersihan, spiritualitas, dan solidaritas sosial.
Co-Authors Aufagholi, Gea Halim Maulana Laksmiwati, Mia Maryamah Maryamah Nurhafisyah, Dwi Syafina, Klarisa Anastasya