Practice Core Concepts - 3.1 | Module 2: Supervised Learning - Regression & Regularization (Weeks 4) | Machine Learning
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is underfitting?

πŸ’‘ Hint: Think about how well the model fits the training data.

Question 2

Easy

What is overfitting?

πŸ’‘ Hint: Consider how a student remembers answers without understanding.

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 primary goal of regularization?

  • To increase model complexity
  • To reduce overfitting
  • To decrease training time

πŸ’‘ Hint: Focus on why we add penalties to models.

Question 2

True or False: L1 regularization can lead to some coefficients being exactly zero.

  • True
  • False

πŸ’‘ Hint: Think about what each type of regularization does.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a dataset with numerous features, how would you decide on the ideal regularization technique? Explain your reasoning thoroughly.

πŸ’‘ Hint: Think about the data structure and your modeling goal.

Question 2

You have implemented K-Fold Cross-Validation but find that some folds contain very few samples of a minority class. What steps can you take to address this issue?

πŸ’‘ Hint: Consider how class distribution affects performance metrics.

Challenge and get performance evaluation