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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Evol Intell. 2015 Apr 3;8(2):89–116. doi: 10.1007/s12065-015-0128-8

Table 3.

ExSTraCS Run Parameters

Parameter Default Setting Description
Imax 200,000 Maximum Learning Iterations
N 2000 Maximum Population Size
ν 1 Calculation of fitness from accuracy
χ 0.8 Probability of crossover
υ 0.04 A new mutation pressure
θGA 25 GA activation threshold
θdel 20 Protective deletion threshold
θsub 20 Subsumption activation threshold
accsub 0.99 Subsumption accuracy threshold
β 0.2 Update of AveMatchSetSize
δ 0.1 Deletion weight calculation threshold
initfit 0.01 Initial fitness for new rules
fitnessReduction 0.1 Penalize fitness of offspring rule following crossover
thetasel 0.5 Tournament selection proportion
EK_Algorithm MultiSURF Specifies an internal source of EK generation
TuRF_Percent 0.2 Percent of attributes removed each score re-estimation