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 arithmetic to capture relationships the model might not see on its own. Data Science

Create a "Price per Square Foot" feature by dividing total house price by area. Raw timestamps are rarely useful to models directly;

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