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• AI기본 학습,Supervised Machine Learning, Classification, Decision Tree, Cross-Validation The notebook uses 5-fold cross-validation. 노트북에서는 5-fold cross-validation을 사용합니다. Imagine dividing the training data into five boxes: Fold 1 Fold 2 Fold 3 Fold 4 Fold 5 First: Test → blog.naver.com · 2026.08.16