8.5 - Confusion Matrix
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Practice Questions
Test your understanding with targeted questions
What are the four components of a Confusion Matrix?
💡 Hint: Remember the acronym TPFN.
In the context of spam detection, what would a False Positive mean?
💡 Hint: Think about what happens when a legitimate message goes to spam.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a True Positive signify in a Confusion Matrix?
💡 Hint: Think about what you are trying to identify as positive.
True or False: A False Negative indicates a correct positive prediction.
💡 Hint: Consider if the prediction matches the reality.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You have a dataset for a medical diagnosis model with the following results: 45 True Positives, 5 False Positives, 30 False Negatives, and 20 True Negatives. Calculate the accuracy, precision, and recall. Discuss the implications if the precision is low.
💡 Hint: Use the formulas consistently and consider the real-world impact of your results.
Interpret the following Confusion Matrix: TP: 150, FP: 20, FN: 30, TN: 800. What information does this provide regarding model performance, and what strategies could you employ to improve recall?
💡 Hint: Reflect on how changing classification criteria can impact your model's performance.
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