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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a confusion matrix?
💡 Hint: What does the matrix display?
Question 2
Easy
Define precision.
💡 Hint: Think about the accuracy of positive predictions.
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 a True Positive (TP) represent in a confusion matrix?
- Model predicted positive and it is positive
- Model predicted negative and it is positive
- Model predicted positive and it is negative
💡 Hint: Think about accurate positive predictions.
Question 2
True or False: Precision is the same as recall.
- True
- False
💡 Hint: Consider what each metric emphasizes.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a confusion matrix where TP = 50, TN = 40, FP = 10, FN = 5, calculate the accuracy, precision, recall, and F1-score.
💡 Hint: Calculate each metric step by step using the formulas.
Question 2
In a fraud detection system, if the precision is too low but the recall is high, what adjustments would you consider making to your model to improve precision without sacrificing recall?
💡 Hint: Think about how the criteria for classifying a positive case can be altered.
Challenge and get performance evaluation