data : datasets 
funs : functions (including evaluating functions) 
results : results
Evidencecode : weight by evidence NFA:  NFA method
NFA_Demo: main of NFA 
NoGOA_EC: method only using EC 
NoGOA_SP: method using sparse representation only
NoGOA_NtN: method only using NtN 
SparsityW:  weight using sparse representation 
Test_EC: main of method EC 
Test_NTN: main of method NTN 
Test_SR:  main of method SR