Data Science -

You can combine multiple existing features using basic arithmetic to capture relationships the model might not see on its own.

In a medical dataset, calculate "Total Family Members" by adding "Siblings" and "Parents" columns. Polynomials: Squaring or cubing a feature (e.g., x2x squared ) can help capture non-linear relationships. 2. Time-Based Transformations Data Science

Raw timestamps are rarely useful to models directly; they must be broken down into categorical or numerical insights. You can combine multiple existing features using basic

Create a "Price per Square Foot" feature by dividing total house price by area. Data Science