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An improved gene expression programming (IGEP) is proposed in this paper. It has some new features: 1) introducing a new individual coding; 2) introducing a new way of creating constants; 3) introducing a hybrid self-adaptive crossover-mutation operator, which can enhance the search ability and exploit the optimum offspring. To validate the performance of IGEP, this paper applies IGEP into the solution of the macro-economic predictions. The experimental results demonstrate that Improved GEP can automatically find better Optimization Model, based on which prediction will be generated much more exactly.
Computational Intelligence and Natural Computing, 2009. CINC '09. International Conference on (Volume:1 )
Date of Conference: 6-7 June 2009