[Retracted] Automatic Scoring of English Essays Based on Machine Learning Technology in a Wireless Network Environment

Table 6

Syntactic complexity features.

Feature serial number	Feature category	Feature code
18	Proportion of clauses	SYN_C/S
19	Proportion of subordinate clauses	SYN_DC/S
20	Proportion of verb phrases	SYN_VP/S
21	Proportion of complex noun phrases	SYN_CN/S
22	Proportion of parallel phrases	SYN_CP/S