Research Article
A Hybrid Genetic Programming Method in Optimization and Forecasting: A Case Study of the Broadband Penetration in OECD Countries
Table 26
Representation of the optimized diffusion models in fitting (The Netherlands).
| Fitting performance—optimized diffusion models for The Netherlands | Model name | Model |
| Logistic | 0.383817447797/(1+E(−(−2.99687030519+0.0615659713049*t))) | Bass | 0.383817510204*(1−E(−(4.51096518494e−08+0.0615658365913)*(t−(−180.776347814)))) /(1+(0.0615658365913/4.51096518494e−08)*E(−(4.51096518494e−08+0.0615658365913)* (t−(−180.776347814)))) | Gompertz with constant | 0.362060867532*E(−7.28281633264*E(−0.0455738781315*t))+0.0321086407123 | Gompertz | 0.408631571889*E(−4.42176509808*E(−0.0373156465688*t)) |
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