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# Feature-Engineering | ||
This notebook provides some skills to perform Feature-Engineering on data. | ||
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## Skills that are covered in this notebook: | ||
1. Different types of variables | ||
2. Problems in variables | ||
3. Machine learning model requirements | ||
4. Engineering missing values (NA) in numerical variables | ||
5. Engineering missing values (NA) in categorical variables | ||
6. missing value imputation methods | ||
7. when to use each NA imputation method | ||
8. Top coding, bottom coding and zero coding | ||
9. Engineering rare values in categorical variables | ||
10. Engineer labels of categorical variables | ||
11. Engineering mixed variables | ||
12. Engineering Dates | ||
13. Feature Scaling | ||
14. Gaussian Transformation | ||
15. Discretisation | ||
16. Engineering features with Feature_Engine |