Results from our 15 meta-classifiers applied to Toefl11, using both discrete and continuous outputs from the base classifiers. The best result in each column is in bold. The results can be compared with the baselines in Table 7.
Meta-classifier . | Discrete . | Continuous . | ||
---|---|---|---|---|
CV . | Test . | CV . | Test . | |
Random Baseline | 9.1 | 9.1 | 9.1 | 9.1 |
Linear SVM | 84.3 | 84.4 | 84.5 | 85.2 |
RBF-Kernel SVM | 84.2 | 84.7 | 84.6 | 85.1 |
Logistic Regression | 83.9 | 83.8 | 84.3 | 84.8 |
Ridge Regression | 84.3 | 84.8 | 84.2 | 84.5 |
Perceptron | 78.5 | 81.5 | 80.9 | 81.7 |
Decision Tree | 77.6 | 78.3 | 75.1 | 75.2 |
QDA | 56.8 | 57.3 | 67.4 | 67.9 |
LDA | 84.3 | 84.7 | 85.2 | 86.8 |
Nearest Centroid | 83.6 | 83.5 | 83.1 | 83.5 |
5-NN | 83.2 | 82.5 | 81.6 | 82.0 |
10-NN | 83.5 | 83.0 | 83.0 | 84.5 |
15-NN | 83.6 | 83.4 | 83.2 | 84.3 |
20-NN | 83.6 | 83.6 | 83.3 | 84.7 |
50-NN | 83.4 | 83.6 | 83.7 | 84.2 |
100-NN | 83.1 | 83.3 | 83.6 | 84.1 |
Meta-classifier . | Discrete . | Continuous . | ||
---|---|---|---|---|
CV . | Test . | CV . | Test . | |
Random Baseline | 9.1 | 9.1 | 9.1 | 9.1 |
Linear SVM | 84.3 | 84.4 | 84.5 | 85.2 |
RBF-Kernel SVM | 84.2 | 84.7 | 84.6 | 85.1 |
Logistic Regression | 83.9 | 83.8 | 84.3 | 84.8 |
Ridge Regression | 84.3 | 84.8 | 84.2 | 84.5 |
Perceptron | 78.5 | 81.5 | 80.9 | 81.7 |
Decision Tree | 77.6 | 78.3 | 75.1 | 75.2 |
QDA | 56.8 | 57.3 | 67.4 | 67.9 |
LDA | 84.3 | 84.7 | 85.2 | 86.8 |
Nearest Centroid | 83.6 | 83.5 | 83.1 | 83.5 |
5-NN | 83.2 | 82.5 | 81.6 | 82.0 |
10-NN | 83.5 | 83.0 | 83.0 | 84.5 |
15-NN | 83.6 | 83.4 | 83.2 | 84.3 |
20-NN | 83.6 | 83.6 | 83.3 | 84.7 |
50-NN | 83.4 | 83.6 | 83.7 | 84.2 |
100-NN | 83.1 | 83.3 | 83.6 | 84.1 |