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

Table 3

Text surface features.

Feature number	Feature category	Feature code
1	Number of characters	LEN_CHAR
2	Number of words	LEN_WORD
3	Number of punctuation marks	LEN_PUNCT
4	Number of sentences	LEN_SENT
5	Number of paragraphs	LEN_PARA
6	Average word length	LEN_AWL
7	Average sentence length	LEN ASL