Inference, estimation, and decision-making from data
Real predictions use many inputs, not one. Multiple linear regression generalizes the line to a flat plane (or hyperplane) in higher dimensions: each feature gets its own coefficient. Stacking all the data into a matrix X, the model is gorgeously compact:
🔒 This is a Pro lesson — the interactive figure, worked examples, quiz and practice open with Pro access.
▶ Multiple Linear Regression