[2021] CS3002 Artificial Intelligence - Final Exam - Q3: Resampling and Sensitivity Analysis
Question 3: Resampling and Sensitivity Analysis
Describe Cross Validation and why it is useful. (4 marks)
Given the following confusion matrix that describes the predicted output of a machine learning classifier against some observed labels:
| Predicted False | Predicted True |
Observed False | 33 | 67 |
Observed True | 45 | 55 |
Predicted Predicted False True
i) Calculate the Sensitivity of the classifier. (2 marks)
ii) Calculate the Specificity of the classifier. (2 marks)
iii) CalculatethePrecisionoftheclassifier. (2 marks)
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