696345.fig.001a
(a)
696345.fig.001b
(b)
696345.fig.001c
(c)
Figure 1: Three fitness functions illustrated using the same set of 100 simulated individuals with performance values drawn from a normal distribution with mean = 10 and standard deviation = 1. (a) threshold selection (b) stochastic proportionate selection (SPS), (c) deterministic proportionate selection (using (8)). Each mark represents one individual.