UFOs and preprocessing

Tiền xử lý cho Machine Learning bằng Python

James Chapman

Curriculum Manager, DataCamp

Identifying areas for preprocessing

Important concepts to remember

• Missing data: .dropna() and .isna()
• Types: .astype()
• Stratified sampling: train_test_split(X, y, stratify=y)

Let's practice!

Tiền xử lý cho Machine Learning bằng Python