ML functional performance metrics · Question 42 of 60
A model yields TP = 8, FP = 2, FN = 2 and TN = 988 for 1,000 cases. Which values are correct?
4 answers are correct. Hard
Show answer
Answer
- A Accuracy 99.6%
- B F1-score 80
- D Precision 80%
- E Recall 80%
Explanation
Accuracy = (8 + 988) / 1000 = 99.6%. Precision = 8 / (8 + 2) = 80%, recall = 8 / (8 + 2) = 80%, F1 = 2 × 80 × 80 / 160 = 80. If precision and recall are equal, the F1-score is exactly this value.