Build automated feature engineering pipelines for tabular data with encoding, scaling, and feature selection.
Create a comprehensive feature engineering pipeline for my tabular dataset. Dataset information: - Number of features: [N_FEATURES] - Feature types: [NUMERICAL/CATEGORICAL/TEXT/DATE] - Target variable: [TARGET DESCRIPTION] - Missing data: [PERCENTAGE/PATTERN] Pipeline requirements: 1. Missing value handling: - Imputation strategies by feature type - Missing indicator features 2. Categorical encoding: - One-hot, label, target encoding - High-cardinality handling 3. Numerical transformations: - Scaling (standard, minmax, robust) - Log/power transforms for skewed data - Binning strategies 4. Feature creation: - Polynomial features - Interaction terms - Date/time feature extraction 5. Feature selection: - Correlation analysis - Mutual information - Recursive feature elimination 6. Sklearn Pipeline integration 7. Persistence and versioning Handle data leakage properly with fit/transform separation.
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[N_FEATURES][TARGET DESCRIPTION]