A Feature Extraction Method of Hybrid Gram for Malicious Behavior Based on Machine Learning

Algorithm 1

The algorithm procedure.

1for n=1:N; %the value of n with n-gram

2calculate H(D);

3for j=1:M

4calculate

5ga()=calculate

6end

7for k=1:K

8s_max(n,k)=max(), ga(),…,ga

9delete s_max(n,k) from(), ga(),…,ga

10end

11end

12establish feature selection set _max