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Menampilkan 2081–2090 dari 15117 artikel
Classification of Imbalanced Data Using Random Forest Algorithm with SMOTE and SMOTE-ENN (Case Study on Stunting Data
Jurnal Riset Sistem dan Teknologi Informasi
Vol 3
, No 2
(2025)
The random forest algorithm is one of the widely used machine learning classification methods because it has the advantage of reducing the risk of overfitting while improving general prediction performance. However, for data with unbalanced classes, this algorithm lacks to achieve its best performance, particularly in predicting data in the minority class. As a result, this article proposes two resampling approaches to balance the data: the Synthetic Minority Oversampling Technique (SMOTE) and t...
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Gambaran Kesiapsiagaan Pendaki terhadap Bencana Tanah Longsor di Gunung Lawu Kabupaten Karanganyar
ASJN (Aisyiyah Surakarta Journal of Nursing)
Vol 6
, No 1
(2025)
Latar Belakang: Kabupaten Karanganyar tercatat mengalami sedikitnya 92 kasus tanah longsor selama periode 2019–2021. Gunung Lawu, sebagai salah satu jalur pendakian favorit, termasuk dalam wilayah dengan risiko tinggi terhadap bencana tersebut. Meskipun jumlah pendaki terus meningkat, kajian mengenai tingkat kesiapsiagaan pendaki dalam menghadapi tanah longsor masih terbatas. Tujuan: Penelitian ini bertujuan mendeskripsikan tingkat kesiapsiagaan pendaki Gunung Lawu terhadap potensi bencana tanah...
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Evaluation ChatGPT User Sentiment using Naive Bayes: A Review of Confusion Matrix and Classification Report
Dianda Rifaldi
; Tri Stiyo Famuji
; Bella Okta Sari Miranda
; Fauzan Purma Ramadhan
; Iriene Putri Mulyadi
; Vanji Saputra6
; Fanani, Galih Pramuja Inngam
Jurnal Riset Sistem dan Teknologi Informasi
Vol 3
, No 2
(2025)
The development of artificial intelligence (AI) technology, particularly in natural language processing (NLP), has led to various innovations, including ChatGPT. Its growing popularity highlights the need for user sentiment analysis. This study evaluates user sentiment toward ChatGPT using the Naive Bayes algorithm. The dataset, obtained from Kaggle, consists of 500 labeled English tweets categorized as positive, neutral, or negative. The process involved text preprocessing, TF-IDF feature extra...
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Decision Support System for Motorcycle Selection for Students Using the Simple Additive Weighting (SAW) Method
Jurnal Riset Sistem dan Teknologi Informasi
Vol 3
, No 2
(2025)
Researchers conducted a selection process for motorcycles that align with the needs and financial conditions of students, as this process is often quite complex. This complexity arises from the wide range of options and the numerous criteria that must be considered, such as price, fuel efficiency, engine capacity, comfort level, and design aesthetics. The objective of this study is to design a Decision Support System (DSS) by implementing the Simple Additive Weighting (SAW) method to assist stud...
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Enhancing Students' Critical Thinking Skills on the Alternative Energy Topic in Junior High School Through Integrated STEM-PjBL Model
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 3
(2025)
Critical thinking ability is a fundamental ability that every graduate must have in order to be able to adapt to technological and social changes in the 21st century. The aim of this research is to determine the increase in students' critical thinking abilities after learning using the STEM (Science, Engineering, Technology and Mathematics) integrated Project Based Learning learning model. The method used was pre-experiment with a one-group pretest-posttest design. The sample for this research w...
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Implementation of Differentiation in the Discovery Learning Model to Improve Student Learning Outcomes on Newton’s Law Topics
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 3
(2025)
This study aims to determine the improvement in students' learning outcomes on Newton's Laws material at SMA Kemala Bhayangkari 1 Kubu Raya, through differentiated learning using the discovery learning model. The research design employed is a quasi-experimental design with a nonequivalent control group design. The research sample consisted of Class XI Physics 1 and Class XI Physics 2, each with 31 students, selected using the intact group random sampling technique. The instrument used was a test...
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The Potential of Implementing Website-Based Learning Media for ESD-Oriented Energy Sources in Physics Learning
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 3
(2025)
This study aims to analyze the potential of implementing ESD (Education for Sustainable Development) oriented website-based learning in Physics learning. This research is a qualitative descriptive study. Questionnaires, observation, and documentation methods were chosen as data collection techniques. The results of data collection were analyzed using data triangulation. The survey results showed that 86% of teacher respondents were in the proficient or very proficient category, which indicates a...
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Science Motivation Profile of Students on the Concept of Particle Dynamics Topic
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 3
(2025)
Science education is something that is very crucial in forming an intelligent and creative generation. Science learning needs to be developed so that it can facilitate students in developing scientific thinking skills and motivation in studying science. This research aims to determine the Science Motivation profile students on the concept of particle dynamics. The research was conducted on class XI students of SMA Negeri 2 Boyolali. Samples were taken from class XI students totaling 67 male and...
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Mapping Two Decades of Research on Faded Examples and Science Reasoning: Bibliometric Analysis Using VOSviewer
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 3
(2025)
Scientific reasoning skills are key competencies in 21st-century science education. One learning strategy believed to promote the development of these skills is the faded example, which involves presenting examples whose solutions are gradually reduced to support students' independent thinking processes. This study aims to map trends and relationships between the faded example strategy and scientific reasoning through bibliometric analysis using VOSviewer. A total of 87 articles meeting the incl...
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Karakteristik Fisik, Kimia, Dan Sensori Gel Distribusi Spasial Lemak Sebagai Model Pangan
Mediagro: journal of agricultural sciences
Vol 21
, No 2
(2025)
This study aims to obtain gelatin agar gel emulsion as a food model to control the spatial distribution of fat and determine its sensory profile. This study used a completely randomized design with five treatments, namely heterogeneous gel 1 (GTH1), homogeneous gel 1 (GHM1), heterogeneous gel 2 (GHT 2), homogeneous gel 2 (GHM 2), homogeneous gel 3 (GMH3) and analyzed variance (ANOVA) followed by Duncan test of significance p<0.05. The best spatial distribution treatment of fat in gel emulsion...
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