Data Science May 2026

Raw timestamps are rarely useful to models directly; they must be broken down into categorical or numerical insights.

In data science, generating a feature (often called or feature generation ) is the process of constructing new variables from existing raw data to improve a machine learning model's predictive power . Here are common ways to generate a new feature: 1. Mathematical Combinations Data Science

You can combine multiple existing features using basic arithmetic to capture relationships the model might not see on its own. Raw timestamps are rarely useful to models directly;

Create a "Price per Square Foot" feature by dividing total house price by area. Polynomials: Squaring or cubing a feature (e

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