Figure 3From: Detecting unknown malicious code by applying classification techniques on OpCode patternsThe mean TPR, FPR, accuracy and G-Mean of the evaluated feature selection methods (Document Frequency, Fisher Score, Gain Ratio) as a function of the number of top features (50, 100, 200 and 300). DF was accurate for all sizes of top features. FS performed very well, especially when fewer features were used (top 50 and top 100).Back to article page