Fixed random_avoid_best

2020-11-27 18:40:58 -05:00
parent ac84e57b9b
commit f21512f178
1 changed files with 2 additions and 2 deletions
--- a/src/mutation/mutation_methods.py
+++ b/src/mutation/mutation_methods.py
@ -86,10 +86,10 @@ class Mutation_Methods:
        @check_chromosome_mutation_rate
        @loop_selections
        def random_avoid_best(ga):
-            """Selects random chromosomes while avoiding the best chromosomes. (Elitism)"""
+            """Selects random chromosomes while avoiding the best 25% chromosomes. (Elitism)"""

            index = random.randrange(
-                int(len(ga.population)*ga.gene_mutation_rate/2),
+                ceil(len(ga.population)/8),
                len(ga.population)
            )
            ga.mutation_individual_impl(ga, index)