Practice Random Search (Using RandomizedSearchCV in Scikit-learn) - 4.3.2.2 | Module 4: Advanced Supervised Learning & Evaluation (Weeks 8) | Machine Learning
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4.3.2.2 - Random Search (Using RandomizedSearchCV in Scikit-learn)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the main purpose of hyperparameter tuning?

πŸ’‘ Hint: Think about why we make adjustments before training.

Question 2

Easy

What is the main difference between Random Search and Grid Search?

πŸ’‘ Hint: Consider the exhaustive nature of Grid Search.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the key function for performing Random Search in Scikit-learn?

  • GridSearchCV
  • RandomizedSearchCV
  • HyperparameterCV

πŸ’‘ Hint: Think about the name of the function that includes 'Random'.

Question 2

True or False: Random Search guarantees finding the best hyperparameter combination.

  • True
  • False

πŸ’‘ Hint: Consider the definition of sampling in statistics.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a complete workflow for tuning a Random Forest model using RandomizedSearchCV, including defining search spaces and evaluating results.

πŸ’‘ Hint: Think about the steps in the Hyperparameter Tuning workflow.

Question 2

You have a dataset with high dimensionality. Explain how you would leverage RandomizedSearchCV to optimize performance while managing computational costs.

πŸ’‘ Hint: Consider how to balance thoroughness with efficiency.

Challenge and get performance evaluation