Double-Bottom Chaotic Map Particle Swarm Optimization Based on Chi-Square Test to Determine Gene-Gene Interactions

Algorithm 2

Fitness value computation pseudocode.

(01) FITNESS(𝑋_𝑗,𝑃,𝑁)

(02)   Compute 𝑎 using (4)

(03)   Compute 𝑏 using (5)

(04)   Compute 𝑐 using (6)

(05)   Compute 𝑑 using (7)

(06)   Compute RorP using (9)

(07)   if the objective is search of risk association model

(08)    Compute fitness_value using (10)

(09)   else if the objective is search of protection association model

(10)    Compute fitness_value using (11)

(11)    End if

(12)   Return  fitness_value

(13) End