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Table 3 The experimental parameters of PSO, GA and FA algorithms

From: Clustering PPI data by combining FA and SHC method

PSO

The global acceleration coefficient (c 1 ) = 2

The local acceleration coefficient (c 2 ) = 2

GA

The crossover probability (pcro) = 0.8

The mutation probability (pmut) = 0.085

FA

The maximum of attractiveness β0 = 1

The step-size α = 0.9

The light absorption coefficient γ = 1