Table 6 Breakdown of classification errors according to different error categories
From: Automatic classification of diseases from free-text death certificates for real-time surveillance
Category | Total #errors | % of total | #coroner |
|---|---|---|---|
records | cases | ||
Classification errors: | 405 | 58.0 | 76 |
Word variations | 75 | 11.5 | 12 |
Word combinations | 98 | 13.0 | 15 |
Secondary causes | 150 | 22.4 | 43 |
Class confusion | 82 | 11.1 | 6 |
Ground truth issues: | 290 | 42.0 | 130 |
Ground truth class confusion | 98 | 12.7 | 10 |
Ground truth error | 167 | 25.5 | 113 |
Ground truth empty | 25 | 3.8 | 7 |