The following data show a list of 30 observations and an estimated probability of Class 1 membership produced by the classification algorithn. a) Create confusion matrices for cutoff values of 0.75, 0.5, and 0.25. b) Find the the followings for each cutoff values: Class 1 error rate, Class 0 error rate, and overall error rate Sensitivity = ? Specificity = ? Precision = ? F1 Score = ? c) What do you observe? Explain. Actual Class Probability of Class 1 1 1 1 1 1 1 0 0.9 0 0.87 1 0.86 1 0.85 0 0.84 1 0.84 1 0.83 1 0.82 0 0.81 0 0.8 0 0.8 0 0.78 0 0.77 0 0.74 1 0.69 1 0.68 1 0.65 0 0.64 0 0.6 0 0.55 0 0.5 0 0.4 1 0.38 0 0.35 0 0.24 0 0.22 1 0.1
The following data show a list of 30 observations and an estimated probability of Class 1 membership produced by the classification algorithn. a) Create confusion matrices for cutoff values of 0.75, 0.5, and 0.25. b) Find the the followings for each cutoff values: Class 1 error rate, Class 0 error rate, and overall error rate Sensitivity = ? Specificity = ? Precision = ? F1 Score = ? c) What do you observe? Explain. Actual Class Probability of Class 1 1 1 1 1 1 1 0 0.9 0 0.87 1 0.86 1 0.85 0 0.84 1 0.84 1 0.83 1 0.82 0 0.81 0 0.8 0 0.8 0 0.78 0 0.77 0 0.74 1 0.69 1 0.68 1 0.65 0 0.64 0 0.6 0 0.55 0 0.5 0 0.4 1 0.38 0 0.35 0 0.24 0 0.22 1 0.1
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The following data show a list of 30 observations and an estimated probability of Class 1 membership produced by the classification algorithn. a) Create confusion matrices for cutoff values of 0.75, 0.5, and 0.25. b) Find the the followings for each cutoff values: Class 1 error rate, Class 0 error rate, and overall error rate Sensitivity = ? Specificity = ? Precision = ? F1 Score = ? c) What do you observe? Explain.
| Actual Class | Probability of Class 1 |
| 1 | 1 |
| 1 | 1 |
| 1 | 1 |
| 0 | 0.9 |
| 0 | 0.87 |
| 1 | 0.86 |
| 1 | 0.85 |
| 0 | 0.84 |
| 1 | 0.84 |
| 1 | 0.83 |
| 1 | 0.82 |
| 0 | 0.81 |
| 0 | 0.8 |
| 0 | 0.8 |
| 0 | 0.78 |
| 0 | 0.77 |
| 0 | 0.74 |
| 1 | 0.69 |
| 1 | 0.68 |
| 1 | 0.65 |
| 0 | 0.64 |
| 0 | 0.6 |
| 0 | 0.55 |
| 0 | 0.5 |
| 0 | 0.4 |
| 1 | 0.38 |
| 0 | 0.35 |
| 0 | 0.24 |
| 0 | 0.22 |
| 1 | 0.1 |
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