How to Use StandardScaler and MinMaxScaler Transforms in Python - MachineLearningMastery.com
machine learning - Difference between transform and fit_transform - Stack Overflow
Data School - 🤖⚡ scikit-learn tip #43: With a tree-based model, try OrdinalEncoder instead of OneHotEncoder even for nominal (unordered) features. Accuracy will often be similar, but OrdinalEncoder will be much faster!