Research Article
[Retracted] Automatic Scoring of English Essays Based on Machine Learning Technology in a Wireless Network Environment
Table 7
Grammatical correctness characteristics.
| Feature serial number | Feature category | Feature code |
| 23 | Spelling errors/total number of words ratio | SPELL_E/W | 24 | Spelling errors/total number of sentences | SPELL_E/S | 25 | Complex grammatical errors/total number of words | GRM_E/W | 26 | Complex grammatical errors/total number of sentences | GRM_E/S |
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