A feature selection method based on improved fisher's discriminant ratio for text sentiment classification.

Suge Wang Deyu Li Xiaolei Song Yingjie Wei Hongxia Li A feature selection method based on improved fisher's discriminant ratio for text sentiment classification. 8696-8702 2011 38 Expert Syst. Appl. 7 http://dx.doi.org/10.1016/j.eswa.2011.01.077 db/journals/eswa/eswa38.html#WangLSWL11