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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is cross-validation?
💡 Hint: Think about model evaluation.
Question 2
Easy
What is the purpose of k-fold cross-validation?
💡 Hint: Consider the 'k' splits.
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 cross-validation?
- To improve accuracy
- To validate model performance
- To overfit the model
💡 Hint: Focus on the evaluation purpose.
Question 2
True or False: In k-Fold cross-validation, each sample is used for both testing and training.
- True
- False
💡 Hint: Consider the cyclic nature of cross-validation.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Suppose you have a dataset of 1000 samples, and you decide to perform 10-fold cross-validation. Describe the process and its advantages over a single train-test split.
💡 Hint: Consider how the data is utilized in both methods.
Question 2
Identify a scenario where 10-fold cross-validation could mislead performance estimation and explain why.
💡 Hint: Think about sample representativeness.
Challenge and get performance evaluation