Table 5.
Classifier | Accuracy (%) | Accuracy(%), balanced set |
---|---|---|
Naïve Bayes | 77.00 | 78.23 |
Logistic regression | 74.84 | 72.01 |
Linear regression | 71.03 | 67.03 |
Classification tree | 75.32 | 75.12 |
SVM | 75.41 | 77.63 |
Majority baseline (predict all as “difficult”) | 68.30 | 50.00 |