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The quality of data is determined by several factors, namely data completeness and data balance. The University of California Irvine (UCI) heart disease dataset has issues with missing data and data imbalance, which, if not addressed, can lead to reduced model prediction accuracy and errors in data interpretation. Missing data can be handled using several methods, one of which is data imputatio…
U-Net is commonly used for medical image segmentation, such as liver organ segmentation. One tool that can visualize the morphology, shape, and position of the liver is a 3D Abdominal Computed Tomography (CT) Scan. However, U-Net requires a large amount of data for training, and 3D liver datasets are still very limited. Additionally, 3D images have complex structures. A solution to address data…
Penelitian ini bertujuan menghasilkan lintasan belajar berbasis pemodelan matematika pada materi Persamaan Linier Satu Variabel (PLSV) dan untuk mengetahui peran lintasan belajar tersebut dalam mendukung pembelajaran materi persamaan linier satu variabel di Sekolah Menengah Pertama. Latar belakang penelitian ini adalah rendahnya kemampuan siswa dalam mengaitkan masalah kontekstual dengan model …
Each employee has different abilities and qualities. Employee abilities are also a supporting factor in a company. Therefore, it is important for companies to choose the best employees, namely those who are suitable and meet the company's criteria as production employees. Thus, employees can work optimally, with quality, and last for a long time. However, until now, the selection of the best em…
Topographically, Palembang city consists mostly of swamps and lowlands. The city's condition of being surrounded by rivers and its moderate annual rainfall of 2500-3000 mm makes Palembang prone to flooding. Therefore, accurately predicting rainfall events is crucial to minimize the impact on daily activities. The rainfall prediction classification process, missing data and imbalanced data were …
This study aims to form an optimal portfolio of LQ45 stocks by maximizing returns and minimizing risk using the Value at Risk (VaR) approach. Daily closing price data of 45 LQ45 stocks from February 2023 to January 2024 were analyzed through three stages: (1) analysis of stock characteristics (return, volatility, inter-sector and inter-stock correlation); (2) selection of portfolio candidates b…
Blood is one of the important components of living beings. A lack of blood in the body can trigger the onset of many diseases, making it necessary to take measures to prevent blood deficiency. The high demand for blood requires the Indonesian Red Cross (PMI) and medical personnel to carry out the blood collection process according to regulations and the needs of patients, which involves objecti…
Studi ini memiliki tujuan untuk meningkatkan kemampuan matematis untuk anak-anak berusia 5 sampai 6 tahun dengan memanfaatkan media angka pohon di TK Kartika II-3 Palembang. Metode yang diterapkan yaitu kajian tindakan kelas yang dilakukan dalam 2 tahap. Tahap pertama terdapaat dari empat sesi, sementara tahap kedua dilaksanakan dalam tiga pertemuan. Teknik pengumpulan data mencakup pengamatan,…
This research was motivated by the importance of understanding the factors that influence the production of green coffee cherry in Robusta coffee. One of the factors is the branching structure of the tree, which consists of primary, secondary, and tertiary branches. The data used in this study were secondary data obtained from observations of green coffee cherry production in Robusta coffee dur…
Liver tumor is a condition where there is abnormal cells that grow in the liver and causes the important role of the liver organ to be distrupted. The process of separating abnormal cells and healthy tissue in liver tumors can be done by image segmentation using Convolutional Neural Network (CNN). This study proposes liver tumor segmentation on CT-scan data using a combination of DeepLabV3+, Ef…
The stock price is the current market price determined by supply and demand on the stock exchange. A high share price reflects the high value of the company and creates investor confidence. The purpose of this study is to find out to obtain the best panel data regression model estimates and factors that affect stock prices in companies listed on the LQ-45 index for 2019-2023. The data used is s…
Indonesia is a country that has quite a large area of agricultural land and diverse and abundant natural resources, one of which is plantation products. Thus, there is a need to increase and empower plantation production in Indonesia itself. This research discusses a comparison of the representation of land area and plantation production in each province based on data from the Indonesian Direct…
Stunting masih menjadi masalah kesehatan yang dihadapi Indonesia. Stunting adalah kondisi di mana anak balita (bayi di bawah lima tahun) mengalami pertumbuhan yang terhambat akibat kekurangan gizi kronis, sehingga tinggi badannya tidak sesuai dengan usianya. Kondisi Stunting pada provinsi Nusa Tenggara Timur dapat diketahui dengan melakukan pengelompokkan wilayah berdasarkan faktor risiko penye…
This study compares the accuracy of ARIMA, SARIMA, and Exponential Smoothing Holt-Winters models in forecasting coal prices. Coal prices that change over time require price forecasting to support decision making. Therefore, this study forecasts coal prices through ARIMA, SARIMA and Exponential Smoothing Holt-Winters to obtain the best method in forecasting coal prices from November 2024 to Octo…
This study aims to determine the binary logistic regression model and the variables that significantly affect the incidence of stunting in Lawang Kidul sub-district. The method used is binary logistic regression analysis for the dependent variable which is categorized into two, namely not stunted and stunted. The data analyzed were respondents aged 0-59 month who had stunted and normal nutritio…