Table 1.
Parameters used for experiments
| Common parameters for ACO | Value | |
|---|---|---|
| ant_n | population size | 50 |
| NC | the number of iterations | 50 |
| a | the weight factor of updating pheromone | 5 |
| dispose | evaporation of pheromone trails | 0.2 |
| λ | the weight factor of the number of marker genes | 0.005 |
| ph(i, 0) | the initial pheromone of pathway 0 | 1.0 |
| ph(i, 1) | the initial pheromone of pathway 1 | 1.0 |
| Common parameters for MMACO | ||
| phmin | the lower boundary of pheromone | 0.3 |
| phmax | the upper boundary of pheromone | 1.5 |
| Common parameters for SVM | ||
| σ | the parameter of RBF kernel function | 5 |
| C | the penalty factor | 500 |