Performance Assessment of Multiple Classifiers Based on Ensemble Feature Selection Scheme for Sentiment Analysis

Table 3

Notation use for feature selection.

Symbol	Description
	The total no. of documents in training dataset
	No. of documents in class
	No. of documents in class containing feature f
	No. of documents not in class but containing feature f
= -	No. of documents in class not containing feature f
= --	No. of documents neither in class nor containing the feature f.