Table 7 The 2 × 2 contingency table for concept errors between the lower-indexed-half levels and higher-indexed-half levels
From: Missing lateral relationships in top-level concepts of an ontology
Level range | # erroneous concepts | # concepts w/o errors | Error percentage |
|---|---|---|---|
0–4 (lower-indexed-half) | 126 | 214 | 37.1 |
5–9 (higher-indexed-half) | 106 | 67 | 61.3 |