https://arxiv.org/abs/0911.0787#:~:text=This%20Generalized%20Discriminant%20Analysis%20(GDA,to%20extracting%20non%20linear%20features.&text=To%20improve%20the%20generalization%20ability,input%20variables%20by%20feature%20extraction.

Journal Reference International Journal of Computer Science and Information Security, IJCSIS, Vol. 6, No. 1, pp. 173-180, October 2009, USA

This Generalized Discriminant Analysis (GDA) has provided an extremely powerful approach to extracting non linear features. The network traffic data provided for the design of intrusion detection system always are large with ineffective information, thus we need to remove the worthless information from the original high dimensional database.

Authored by Shailendra Singh and Sanjay Silakari