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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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Effect of Maceration Time on Color Intensity, Bioactive Compounds and Antioxidant Activity of Purple Corn Extract (Zea mays var. Black Aztec): Pengaruh Lama Maserasi Terhadap Intensitas Warna, Senyawa Bioaktif dan Aktivitas Antioksidan Ekstrak Jagung Ungu (Zea mays var. Black Aztec)
JITIPARI (Jurnal Ilmiah Teknologi dan Industri Pangan UNISRI)
Vol 9
, No 2
(2024)
Purple corn is one of the corn varieties that is being developed by Indonesia as a form of food diversification. The purple color of corn is produced by the high presence of anthocyanins so it can provide health benefits such as antioxidant, anti-inflammatory, mutagenic, anti-cancer and anti-angiogenesis. To ensure that the bioactive components are not damaged, extraction is carried out in stages by applying the maceration method using a polar solvent with the correct ethanol content of 96%. Apa...
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ANALISIS UJI TAHANAN ISOLASI, RASIO, BURDEN, RESISTANSI BELITAN DAN KNEE POINT PADA TRANSFORMATOR ARUS (CT) UNTUK MENGURANGI ERROR CT PADA TEGANGAN MENENGAH
Teknika
Vol 9
, No 2
(2024)
Penelitian ini bertujuan untuk menilai beberapa karakteristik penting CT. Serangkaian uji coba digunakan untuk melakukan evaluasi ini. Karakteristik tersebut mencakup tingkat isolasi listrik, akurasi rasio transformasi, daya tahan beban sekunder, hambatan kumparan sekunder, serta titik saturasi magnetik atau yang dikenal dengan istilah knee point. Data diperoleh melalui telaah pustaka, observasi langsung di lapangan, serta wawancara dengan praktisi berpengalaman. Hasil uji menunjukkan bahwa nila...
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Rancang Bangun Alat Terintegrasi Berbasis Mikrokontroler Arduino dan GPS Antara Operator Forklift Dengan Material Hangar
Jurnal Universal Technic (UNITECH)
Vol 3
, No 2
(2024)
Penelitian ini bermula dari ketidakterhubungnya komunikasi antara operator forklift dengan material hangar. Perawatan pesawat berlangsung secara estafet, ketika teknisi hangar selesai melepas sebuah komponen dari pesawat proses selanjutnya mengantarkan komponen tersebut menuju unit spesialisasi oleh operator forklift. Namun sering dijumpai forklift sedang tidak berada di hangar dan tentu saja tidak diketahui posisinya. Hal ini membuat sekuensial proses produksi menjadi terhambat yang mana akan m...
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ANALISIS KINERJA FORKLIFT BERBASIS OVERALL EQUIPMENT EFFECTIVENESS (OEE) DI GUDANG TERMINAL PETI KEMAS SEMARANG
Jurnal Universal Technic (UNITECH)
Vol 3
, No 2
(2024)
Pengelolaan kinerja forklift di Gudang Terminal Peti Kemas Semarang memiliki peran penting dalam keefektifan stripping barang impor Less Container Load (LCL). Tujuan penelitian (1) mengetahui hasil perhitungan nilai rata-rata availability ratio pada kinerja forklift dalam kegiatan stripping di Gudang Terminal Peti Kemas Semarang, (2) mengetahui hasil perhitungan nilai rata-rata performance ratio pada kinerja forklift dalam kegiatan stripping di Gudang Terminal Peti Kemas Semarang, (3) mengetahui...
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Increasing Scientific Literacy using a Guided Inquiry Approach assisted by PhET Simulations in Wave Material
Jurnal Penelitian Pembelajaran Fisika
Vol 15
, No 4
(2024)
This research was conducted to assess the growth of students' scientific literacy skills using the Guided Inquiry learning model assisted by PhET Simulation on Wave material. The method used in this research is Penelitian Tindakan Kelas (PTK) or Action Research with the research subjects were 39 students of SMA Negeri 6 Kabupaten Tangerang class XI MIPA 3. This research design consists of three cycles with each cycle consisting of four stages: planning (plan), implementation (action), observatio...
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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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Improving Critical Thinking using a Guided Inquiry Approach assisted by PhET Simulations in Wave Material
Jurnal Penelitian Pembelajaran Fisika
Vol 15
, No 4
(2024)
This research shows that using guided inquiry with PhET simulations significantly improves students' critical thinking skills. In this study, Classroom Action Research (Penelitian Tndakan Kelas) method was used with the participation of 39 students of Class XI IPA 3 SMAN 6 Tangerang Regency. Data collection spanned three learning cycles comprising planning, action implementation, observation, and reflection. outcomes consistently showed progress across cycles, with the average score on critical...
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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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