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A Comparison Between Hyperparameter Tuning Techniques — Pros & Cons

btd
2 min readNov 11, 2023

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Photo by Nat on Unsplash

Tuning hyperparameters is a crucial step in optimizing the performance of machine learning models. Here is a list of common ways and techniques to tune hyperparameters:

1. Grid Search

  • Define a hyperparameter grid and exhaustively search through all combinations.
  • Pros: Simple, easy to implement.
  • Cons: Computationally expensive for large search spaces.

2. Random Search

  • Randomly sample combinations of hyperparameters.
  • Pros: More computationally efficient than grid search.
  • Cons: May not find the optimal combination.

3. Bayesian Optimization

  • Use probabilistic models to model the objective function and guide the search.
  • Pros: Efficient for high-dimensional search spaces, adapts to the shape of the objective function.
  • Cons: More complex to implement.

4. Genetic Algorithms

  • Mimic the process of natural selection to evolve a population of hyperparameter sets.
  • Pros: Can handle both discrete and continuous hyperparameters, good for…

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