Letter Title Classification on Classical Chinese Epistolary-Genre (test)
92.1AccuracyTF–IDF char 2-3 + LogReg
Evaluation results
| Method | Links | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| TF–IDF char 2-3 + LogRegFeatures=char 2-3, Classifier=Logistic Regression2026.05 | 92.1 | 88.8 | 99.1 | 93.7 | 91.6 | 318 | 40 | 3 | 183 | |
| TF–IDF char 2-4 + LogRegFeatures=char 2-4, Classifier=Logistic Regression2026.05 | 92.1 | 88.8 | 99.1 | 93.7 | 91.6 | 318 | 40 | 3 | 183 | |
| TF–IDF char 2-2 + LogRegFeatures=char 2-2, Classifier=Logistic Regression2026.05 | 91.9 | 88.4 | 99.4 | 93.5 | 91.4 | 319 | 42 | 2 | 181 | |
| Regex: verb-start OR 書-endRule=verb-start OR 書-end2026.05 | 91.2 | 98.9 | 86 | 92 | 91.1 | 276 | 3 | 45 | 220 | |
| Regex: starts with verb of transm.Rule=starts with verb of transm.2026.05 | 90.6 | 98.9 | 85.1 | 91.5 | 90.5 | 273 | 3 | 48 | 220 | |
| Majority class2026.05 | 59 | 59 | 100 | 74.2 | 37.1 | 321 | 223 | 0 | 0 | |
| Regex: ends with 書Rule=ends with 書2026.05 | 46.3 | 100 | 9 | 16.6 | 38.5 | 29 | 0 | 292 | 223 | |
| Regex: verb-start AND 書-endRule=verb-start AND 書-end2026.05 | 45.8 | 100 | 8.1 | 15 | 37.6 | 26 | 0 | 295 | 223 |