Kernel Neighborhood Rough Sets Model and Its Application

Algorithm 2

Fast feature selection based on a kernel neighborhood rough set (FFSKNRS).

Input: decision system and stopping threshold

Output: selected features

1. ,

2. while

3.  for each

4.   for each object

5.    if

6.     

7.   end for

8.   compute by the object subset

9.   compute

10.  end for

11.  find the maximal significance and the corresponding attribute

12.  if

13.   

14.  else

15.   exit while

16.  end if

17. end while

18. return