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Identifying key determinants of students' mathematics achievement using lasso regression
Cognitive, socioeconomic, and instructional factors influence students' mathematics achievement. However, modeling these determinants becomes challenging when the number of predictors is relatively large compared to the available sample size, potentially leading to unstable estimates in conventional regression models. This study aims to identify key determinants of students' mathematics achievement using the Least Absolute Shrinkage and Selection Operator (LASSO) regression approach and to const...
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Pembuatan Dan Penerapan Pupuk Organik Cair (Kocor) di Kebun Lordes Dalam Upaya Meningkatan Pertumbuhan Tanaman Melon (Cucumis melo L.)
Bria, Deseriana
; Mamo, Wenselaus
; Aja, Lorensius Yustianus
; Ndua, Natalia Desy Djata
; Naisali, Hyldegardis
; Tay, Delviana
; Naitili, Alexandria
The study aimed to develop and apply liquid organic fertilizer (kocor) in Lordes Farm to improve the growth and productivity of melon (Cucumis melo L.). The production of liquid fertilizer was carried out through fermentation using brown sugar, EM4, humic acid, and urea as nutrient sources, producing a nutrient-rich liquid suitable for soil application. The application was conducted by drenching the fertilizer around the root zone at regular intervals. The results showed that liquid organic fert...
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Pemberdayaan KWT Arum Lestari Desa Pandak Banyumas Melalui Inovasi Ipteks Untuk Meningkatkan Kualitas dan Pemasaran Produk Makanan Ringan
The Arum Lestari Women Farmers Group in Pandak Village, Banyumas, has a great opportunity in developing the production of snacks made from local agricultural products. The snacks produced are processed sweet potato products. The problems faced include limitations in maintaining product quality, lack of efficiency in the production process, and constraints in marketing and business management. The objective of the community service activity is to improve the quality and effectiveness of marketing...
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Sentiment Analysis in User Reviews of Tourist Attractions in East Nusa Tenggara Using Machine Learning Classification
Journal of Multimedia Trend and Technology
Vol 5
, No 1
(2026)
This study aims to analyze user review sentiments for six tourist attractions in East Nusa Tenggara Province by utilizing a large amount of review data obtained from Google Maps. Data was collected through a scraping process using Serp API, followed by cleaning and text pre-processing to improve data quality. Sentiment labeling was performed automatically using the Indo-BERT model to obtain three sentiment classes: positive, negative, and neutral. Text feature representation was performed using...
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Development of contextual learning-based mathematics teaching modules on rational number materials
This research aims to develop a mathematics teaching module on rational number material for grade VII junior high school students that is valid, practical, and effective. This research is motivated by students' limited understanding of rational numbers and by the limitations of teaching materials that fail to connect the material to real-life contexts systematically. The research gap lies in the limited development of contextual modules that not only focus on validity and practicality but also c...
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Students' errors in solving ethnomathematics word problems using the newman procedure: A perspective from learning styles
Some students had difficulty solving ethnomathematics word problems, indicating the need for further research to address this issue. This study aims to identify the types of errors made and the factors causing them. It applies Newman's Error Analysis, which includes reading errors, comprehension errors, transformation errors, process skill errors, and writing errors in the final answer. It incorporates the role of ethnomathematics as an innovation in contextual learning that introduces Indonesia...
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Integrating Digital Technologies for Sustainable Tourism: Quantitative Assessment of Tech-Enabled Organizational Practices
This study examines how digital transformation technologies drive sustainability performance in the tourism sector by integrating Internet of Things (IoT), artificial intelligence (AI), and big data analytics into organizational culture and leadership. A mixed dataset of 300 tourism enterprises in Asahan Regency, Indonesia, complemented by technical indicators such as energy consumption (kWh) and IoT penetration, was analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). Th...
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A Nonlinear mathematical model of student motivation dynamics with an empirical calibration framework and simulation analysis
Radhiatul Husna
; Angelina Zaskya Hulda
; Indah Rahmadani
; Miftahul Jannah
; Muhammad Zikra
; Najla Nafisa Arsy
; Nanda Putra Kartama
Student learning motivation is a dynamic construct that changes over time in response to support, academic pressure, and fatigue. However, many existing studies examine motivation only at a single point in time or rely on descriptive approaches, limiting their ability to quantify how motivation evolves. This study develops a nonlinear mathematical model of student motivation dynamics and links the model to an empirical calibration framework. The proposed model represents motivation as a bounded...
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Development of Performance Assessment Tools for Supervision Consultants in Infrastructure Projects
The construction of toll roads requires supervision consultants capable of ensuring project quality, time, and cost performance, yet a structured and measurable assessment framework is lacking. This study develops a comprehensive performance assessment rubric for toll road supervision consultants using quantitative methods, including a literature review, a survey of 50 respondents, validation by six experts, and an application test by 12 evaluators. Data were analyzed using validity and reliabil...
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Strengthening Entrepreneurship Literacy and Digital Marketing for PKK Activists Producing Local Products in Muntal Village
This community service activity was carried out in Muntal Village, RT 06 RW 05, Gunung Pati District, Semarang City, with the main target being women members of the Family Welfare Movement (PKK). This program aims to improve entrepreneurial literacy and digital marketing skills to support the development of micro-enterprises based on local products. The background of this activity refers to the village's untapped economic potential, as well as the low understanding of the community, especially w...
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