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Machine Learning: The Engineering Approach
Module 7 of 13
7. Feature Engineering
1. The Art of Data
The model is only as good as the input.
- Scaling: Normalize inputs (0-1) for Neural Nets.
- Encoding: Convert categories (Red, Blue) to numbers (0, 1).
2. Selection
Don't use all 100 columns. Use the top 10 that matter.