ML functional performance metrics · Question 40 of 60
A model yields TP = 60, FP = 40, FN = 20 and TN = 880. What is the accuracy?
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Answer
- C 94%
Explanation
Accuracy = (TP + TN) / (TP + TN + FP + FN) = (60 + 880) / 1000 = 94%. Precision here is only 60 / 100 = 60% and recall 60 / 80 = 75%. The high accuracy comes mainly from the many true negatives.