Practice Core Algorithms - 11.4 | 11. Recommender Systems | Data Science Advance
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does KNN stand for?

💡 Hint: Remember the word 'Neighbors.'

Question 2

Easy

What is the purpose of Matrix Factorization?

💡 Hint: Think about uncovering secrets in data!

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 does K in KNN represent?

  • Number of dimensions
  • Number of neighbors
  • Number of items

💡 Hint: Think about the meaning of 'neighbors' in a community.

Question 2

True or False: Matrix Factorization can only be applied to explicit feedback data.

  • True
  • False

💡 Hint: Consider whether you always need ratings.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Using KNN, how would you recommend new items to users without historical data?

💡 Hint: Consider demographic data.

Question 2

Design a hybrid recommender system combining Matrix Factorization with KNN. What steps would you take?

💡 Hint: Think about leveraging strengths of both methods.

Challenge and get performance evaluation