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Outlier Detection Using Gaussian Mixture Model Clustering to Optimize XGBoost for Credit Approval Prediction
Setiadi, De Rosal Ignatius Moses
; Muslikh, Ahmad Rofiqul
; Iriananda, Syahroni Wahyu
; Warto, Warto
; Gondohanindijo, Jutono
; Ojugo, Arnold Adimabua
Journal of Computing Theories and Applications
Vol 2
, No 2
(2024)
Credit approval prediction is one of the critical challenges in the financial industry, where the accuracy and efficiency of credit decision-making can significantly affect business risk. This study proposes an outlier detection method using the Gaussian Mixture Model (GMM) combined with Extreme Gradient Boosting (XGBoost) to improve prediction accuracy. GMM is used to detect outliers with a probabilistic approach, allowing for finer-grained anomaly identification compared to distance- or densit...
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23 Sitasi
THE IMPACT OF HEDONIC SHOPPING MOTIVATION ON IMPULSIVE BUYING DECISIONS : A SYSTEMATIC LITERATURE REVIEW APPROACH IN THE CONTEXT OF MODERN RETAIL
Jurnal Manajemen Sosial Ekonomi
Vol 4
, No 2
(2024)
This work integrates the outcomes of five studies examining the influence of hedonic shopping motivation on impulse buying within the context of modern retailing in Indonesia. The analysis reveals at least some common patterns regarding the impact of anthropocentric motivation (shopping enjoyment, trend watching, and routine escape) on impulse buying, albeit with contextual differences. The studies on students (Hidiani & Rahayu, 2021) and Popshop consumers (Yusda & Nilasari, 2022) confir...
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Improving Critical Thinking Skills Using the Guided Inquiry Learning Model Assisted by Interactive Modules on Elasticity Material
Jurnal Penelitian Pembelajaran Fisika
Vol 15
, No 4
(2024)
This research aims to evaluate the effectiveness of the guided inquiry learning model with the help of interactive modules in improving students' critical thinking skills on elasticity material. This research was conducted involving 39 students of class XI MIPA 5 at a high school in Tangerang Regency. The research model used is Classroom Action Research Action Research using the Kemmis & McTaggart model . The research results showed a significant increase in the critical thinking abilities o...
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The Influence of ISLE-based STEM Physics Learning on Students' Understanding of Physics Concepts
Jurnal Penelitian Pembelajaran Fisika
Vol 15
, No 4
(2024)
This research aims to provide an overview and determine the influence of ISLE (Investigative Science Learning Environment) based STEM (Science Technology Engineering and Mathematics) physics learning on students' understanding of physics concepts. This research is a quantitative descriptive study using the one group pretest-posttest method. The population in this study were students of class XI Science at MAN Ende for the 2024/2025 academic year and the sample was students of class. Sampling in...
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The Effectiveness of the Games Based Learning Model Using LUAK Game Media (Physics Kid’s Ludo) on Understanding Concepts in the Material on Climate Change and Global Warming
Jurnal Penelitian Pembelajaran Fisika
Vol 15
, No 4
(2024)
This study aims to improve students' conceptual understanding by implementing a game based learning model using the LUAK (Ludonya Anak Fisika) game media on climate change and global warming material. Concept understanding data were collected through a test using a pre-experimental method with a One Group Pretest-Posttest design involving one class in class X with a total of 36 students, but the researcher only used 32 students because 4 students had other roles to help researchers in conducting...
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1 Sitasi
Improving Students' Problem Solving Skills in Learning Problem Based Learning Integrated with Predict, Observe, Explain Model on Global Warming Material
Jurnal Penelitian Pembelajaran Fisika
Vol 15
, No 4
(2024)
In the following study, the aim is to analyze the improvement of students' problem solving skills in learning activities with problem-based learning models integrated with predict, observe, explain models, especially for global warming material. The study was conducted using quantitative methods with 33 participants of class X students at one of the SMAN Cimahi City which was determined based on convenience sampling technique. The data collected in the following study was conducted through a pro...
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Pengaruh Ketersediaan, Efektivitas dan Kemudahan Penggunaan Qris terhadap Keputusan Pembelian serta Dampaknya Bagi Karakter Generasi Muda
JURNAL EKONOMI MANAJEMEN AKUNTANSI
Vol 30
, No 2
(2024)
The new era of digitalization created by humans has touched various aspects including transaction payment methods. With digital payments, humans make payments with just one scan. Bank Indonesia, in collaboration with ASPI, launched digital payment Qris in 2020. Qris was initially a payment solution during the pandemic that was accepted by the public and is still widely used today. Including the younger generation, they often use Qris to make payments. This research aims to identify the influence...
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ANALISIS METODE PERCEPATAN TIME COST TRADE OFF PADA PROYEK REVITALISASI TERMINAL PENUMPANG TIPE A BOBOTSARI
Journal of Civil Engineering and Technology Sciences
Vol 3
, No 2
(2024)
Proyek Peningkatan/Revitalisasi Terminal Penumpang Tipe A Bobotsari mengalami hambatan di lapangan yang menyebabkan keterlambatan dalam pelaksanaan pekerjaan. Oleh karena itu, diperlukan peran manajemen konstruksi untuk pengawasan proyek demi mencapai hasil yang optimal. Tindakan yang diambil adalah merencanakan dan menganalisis estimasi waktu dan biaya konstruksi pada pekerjaan struktur dengan penambahan jam kerja dan tenaga kerja menggunakan metode time cost trade off dengan bantuan software P...
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Variasi Kemiringan Sudut Pengelasan SMAW terhadap Sifat Mekanis Material Baja SS400
Majalah Ilmiah Momentum
Vol 20
, No 2
(2024)
Baja SS400 merupakan material yang banyak digunakan di bidang industri, baik manufaktur maupun konstruksi, karena memiliki sifat mekanis yang baik, seperti kekuatan tarik dan keuletan. Kualitas sambungan las baja SS400 dipengaruhi oleh parameter pengelasan, di antaranya adalah variasi sudut kemiringan elektroda. Pengembangan teknologi di bidang konstruksi yang semakin maju tidak dapat dipisahkan dari pengelasan karena memiliki peranan yang sangat penting. Tujuan dari penelitian ini adalah untuk...
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Analisis Sifat Mekanik Proses Pack Carburizing AISI 4340 dengan Temperatur Kristalisasi 725°C Menggunakan Karbon Tandan Kelapa: ANALISA SIFAT MEKANIK PROSES PACK CARBURIZING AISI 4340 DENGAN TEMPERATUR KRISTALISASI 725°C MENGGUNAKAN KARBON TANDAN KELAPA
Majalah Ilmiah Momentum
Vol 20
, No 2
(2024)
Penelitian ini menganalisis sifat mekanik baja AISI 4340 setelah proses pack carburizing menggunakan karbon dari tandan kelapa pada temperatur kristalisasi 725°C. Metode carburizing yang digunakan dengan menggunakan pack yang terbuat dari stainless steel yang ditutup rapat. Pada pack terdapat karbon tandan kelapa, spesimen uji dan katalis abu kerang sebanyak 10% sebagai katalis. Tujuan utama adalah mengetahui perubahan kekerasan permukaan, kekuatan impact, kekuatan tarik dan struktur mikro sete...
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