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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the decision boundary in logistic regression?
π‘ Hint: Think about how we classify emails as spam or not based on probability.
Question 2
Easy
What is the typical threshold used for binary classification?
π‘ Hint: Consider what would classify an instance as positive.
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 a decision boundary?
- A threshold for classifying instances
- A tool for data preprocessing
- A type of algorithm
π‘ Hint: Think about what separates different classes.
Question 2
True or False: The decision boundary can only be visualized in two dimensions.
- True
- False
π‘ Hint: Consider other dimensional spaces.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In a binary classification scenario with a dataset, describe the effect of moving the decision boundary closer to a specific class of data points.
π‘ Hint: Think about how changing the threshold impacts classification.
Question 2
Discuss how you would approach optimizing the Ξ² coefficients during model training for the decision boundary in logistic regression.
π‘ Hint: Recall the cost function's role in logistic regression.
Challenge and get performance evaluation