What is 'Grid Search'?

What is 'Grid Search'?

Approach: Describe an exhaustive search through a specified subset of hyperparameters.

A hyperparameter tuning method that performs an exhaustive search over a manually specified subset of the hyperparameter space. It evaluates every possible combination of hyperparameters using cross-validation.

Follow-up: What is Random Search and why might it be better?

Key concepts: cross-validation, optimization, search space.