Genetic Programming-Based Prediction Model for Microseismic Data

Table 2

Parameters of the GP model.

GP parameter	Values
Terminal set	, ,
Function set	+, -, ×,/, sin, cos, tan, exp, sqrt, ln, power
Prediction set	Power and magnitude
Fitness function	Sumer
Maximum generation	100
Population size	100
Tree initialization	Ramped half-and-half
Selection method	Tournament
Genetic operators	Mutation, crossover, replication
Mutation rate	Dynamic (initial value 0.5)
Crossover rate	Dynamic (initial value 0.5)
Reproduction rate	Dynamic (initial value 0)
Termination criterion	Maximum generation