A Hybrid Least Square Support Vector Machine Model with Parameters Optimization for Stock Forecasting

Table 2

Parameters setting for simplex, GS, GA, and PSO.

Method	Parameter setting
Simplex	Chi: 2, Gamma: 0.5, Rho: 1, Sigma: 0.5
GS	TolX: 0.001, maxFunEvals: 70, grain: 7, zoomfactor: 5
GA	Sizepop: 20, maxgen: 200, min: 0, max: 100, min: 0,; max: 1000
PSO	Sizepop: 20, maxgen: 200, min: 0, max: 100, min: 0,; max: 1000, : 0.6