Research Article
A Hybrid Genetic Programming Method in Optimization and Forecasting: A Case Study of the Broadband Penetration in OECD Countries
Table 32
Representation of the optimized diffusion models in forecasting (Sweden).
| Forecasting performance—optimized diffusion models for Sweden | Model name | Model |
| Logistic | 0.375347548406/(1+E(−(−2.50124733322+0.0454566554106*t))) | Bass | 0.375348107159*(1−E(−(4.05055161391e−08+0.0454564711241)*(t−(−251.439978251)))) /(1+(0.0454564711241/4.05055161391e−08)*E(−(4.05055161391e−08+0.0454564711241) *(t−(−251.439978251)))) | Gompertz with constant | 0.370148682751*E(−5.03987923004*E(−0.0313473706267*t))+0.0375384813167 | Gompertz | 0.493581707395*E(−3.13558666165*E(−0.0214071552547*t)) |
|
|