Mathematics

Statistical theory and mathematical foundations for Data Science

Interactive Examples

Linear Regression Mathematics

Explore the mathematical foundations of linear regression

Intermediate30 minutes

Principal Component Analysis

Understanding the mathematics behind PCA

Advanced45 minutes

Key Formulas

Matrix Multiplication

C_{ij} = \sum_{k=1}^n A_{ik}B_{kj}

The fundamental operation in linear algebra

Gradient Descent

\theta_{t+1} = \theta_t - \alpha \nabla J(\theta_t)

Optimization algorithm for finding local minima