Brain Tumor Classification Using AFM in Combination with Data Mining Techniques
Table 1
Parameter settings for best GP result.
Parameter
Tested values
Maximum generations
70, 100
Mutation probability [%]
10, 15
Population size
70
Selector Mutator
Tournament sector Multisymbolic expression tree manipulator: replace branch manipulation, change node type manipulation, full tree shaker, one point shaker
Maximum expression tree depth
8, 10
Maximum expression tree length
25, 50, 80
Symbolic expression tree grammar
Logical operators (the corresponding expression tree symbol set implemented in Heuristic-Lab contains too numerous functions to be mentioned here. Generally, it contains all usually handled logic operators).