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        <dc:title>ANALISIS KOMPARASI ALGORITMA MACHINE&#13;
LEARNING PADA KLASIFIKASI KELAYAKAN PINJAMAN&#13;
NASABAH</dc:title>
        <dc:creator>Staifen, Muhammad Wildanu</dc:creator>
        <dc:subject>000 Ilmu komputer, informasi dan pekerjaan umum</dc:subject>
        <dc:description>Penelitian ini membahas perbandingan empat algoritma machine learning, &#13;
yaitu Logistic Regression, Random Forest, LightGBM, dan CatBoost pada&#13;
klasifikasi kelayakan pinjaman nasabah menggunakan Loan Approval Prediction&#13;
Dataset dari Kaggle. Permasalahan utama pada penelitian ini adalah menentukan&#13;
algoritma yang paling efektif untuk memprediksi status persetujuan pinjaman,&#13;
sekaligus memastikan bahwa rancangan eksperimen terbebas dari data leakage dan&#13;
tidak menunjukkan overfitting yang berlebihan. Tahapan penelitian meliputi&#13;
pembersihan data, rekayasa fitur, exploratory data analysis, pembagian data secara&#13;
stratified ke dalam subset train, validasi, dan uji, pelatihan model baseline, serta&#13;
fine tuning hyperparameter. Evaluasi model dilakukan menggunakan metrik&#13;
accuracy, precision, recall, F1-score, dan ROC-AUC, serta analisis gap performa&#13;
antara data latih, validasi, dan data uji. Hasil penelitian menunjukkan bahwa&#13;
CatBoost hasil fine tuning memberikan performa terbaik dengan accuracy 0,9977,&#13;
F1-score 0,9981, dan ROC-AUC 1,0000 pada data uji. Random Forest menempati&#13;
posisi berikutnya, diikuti oleh LightGBM dan Logistic Regression. Tingginya&#13;
akurasi model terutama dipengaruhi oleh karakter dataset yang sangat mudah&#13;
dipisahkan, terutama karena dominasi variabel cibil_score. Penelitian ini&#13;
memberikan kontribusi berupa komparasi model yang disusun secara metodologis&#13;
lebih ketat dan dapat dimanfaatkan sebagai referensi akademik maupun praktis&#13;
pada pengembangan sistem prediksi kelayakan pinjaman berbasis data.</dc:description>
        <dc:date>2026-05-18</dc:date>
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