6.4 - Chapter Summary
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Practice Questions
Test your understanding with targeted questions
What is unsupervised learning?
💡 Hint: Think about learning without any guidance or answers.
Give an example of a clustering algorithm.
💡 Hint: What methods group similar points together?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does unsupervised learning focus on?
💡 Hint: Think about what you can discover without guidance.
True or False: DBSCAN requires you to pre-define the number of clusters.
💡 Hint: Reflect on its ability to detect dense regions.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
If you have a dataset with varying densities across clusters, how might you select the appropriate clustering algorithm?
💡 Hint: Reflect on the sensitivity of algorithms to density.
You use PCA on a dataset, but the results are hard to interpret. What could you do to improve interpretation?
💡 Hint: Think about visualization techniques that help make complex data understandable.
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