4.1 - Confusion Matrix
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Practice Questions
Test your understanding with targeted questions
What are the four components of a confusion matrix?
💡 Hint: Think of the two types of outcomes versus predictions.
How do you calculate accuracy from a confusion matrix?
💡 Hint: You’re looking for the ratio of correct predictions to all predictions.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a true positive represent in a confusion matrix?
💡 Hint: Think about the outcomes when predictions are correct.
The F1-Score is especially useful when you want to:
💡 Hint: Remember, it's about balancing two important measures.
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Challenge Problems
Push your limits with advanced challenges
You analyze a model predicting whether customer service tickets are resolved or not. The confusion matrix shows TP=30, TN=40, FP=10, FN=5. Calculate accuracy, precision, recall, and F1-Score.
💡 Hint: Each metric is derived from the confusion matrix components.
Imagine you're assessing a model that predicts loan defaults. The confusion matrix shows high false positives. Discuss how this affects the bank's strategy, including potential financial impacts.
💡 Hint: Consider the trade-offs between risk management and customer service.
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