[Retracted] Machine Learning Technique to Detect and Classify Mental Illness on Social Media Using Lexicon-Based Recommender System

Table 4

Performance analysis for product domain.

Corpus	Method	Accuracy
“Mobile phone”	TF-IDF ranking
	Domain-specific tags
	Tweet weight
	Negation rule
	Grammar rule
	N-gram model
	Naïve Bayes
	SVM
	SVM + grammar rules