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Optimize Your Model: Hyperparameter Tuning with Sweep

Renee LIN
4 min readNov 6, 2024

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What is hyperparameter tuning?

I have discussed this before: using sweeps is easy with tools that facilitate logging and monitoring.

Optimize Your Model: Hyperparameter Tuning with Weights & Biases Sweeps. (BTW, you can log anything with Weights & Biases.)

The key point lies in the search methods.

1. Grid Search

Explanation: Grid search is a brute-force search method where every possible combination of hyperparameters from a predefined grid is tested. For example, if you have two hyperparameters with three possible values each, grid search will run nine different training sessions (3 × 3).

2. Random Search

Explanation: Random search selects a random combination of hyperparameters to test from the predefined search space. It samples points at random until a stopping condition is met (e.g., a certain number of iterations or time limit).

3. Bayesian Optimization

Explanation: Bayesian optimization is a more sophisticated method that builds a probabilistic model of the objective function and uses this model to…

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Renee LIN
Renee LIN

Written by Renee LIN

Passionate about web dev and data analysis. Huge FFXIV fan. Interested in health data now.

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