Research Article
A Hybrid Genetic Programming Method in Optimization and Forecasting: A Case Study of the Broadband Penetration in OECD Countries
Table 27
Representation of the first five produced hGP models in fitting (Denmark).
| Fitting performance—hGP models for Denmark | Model name | Model |
| hGP Model 1 | 5.63426994728*E(−1618550.49488*E(−15.2920199213*E(−3.43879264146*E(−1.28765774838 *E(E(−39343593.2921*E(−19.8648947917*E(((−0.155432332908*(E(−0.740392625374*E(E (−0.43418452549−0.184927854534+0.0142460870633*t)))))))))))))) | hGP Model 2 | 1.54576267797*E(−65887807.219*E(−17.6521068857*E(((−0.328946437325*(E (−0.937705801568*E(E(−0.300061035521−0.249644860355+0.0126941999487*t))))))))) | hGP Model 3 | 1.55049461946*E(−25211043.951*E(−16.6892960686*E(−0.348864738858*E (−0.937562881193*E(E(−0.702455330352*0.778787005609+0.012669874873*t)))))) | hGP Model 4 | 1.55178035993*E(−21975484.4721*E(−16.5513605349*((E(−0.352162700827*(E (−0.938395470029*E(E(−0.295038781436−0.252306036288+0.0126692295308*t))))))))) | hGP Model 5 | 1.56240433165*E(−4303572.92965*E(−14.9161171585*E(−0.395041661739*E (−0.944193764022*E(E(−0.257102951003−0.289694506506−0.000548574587926 +0.0126461044806*t)))))) |
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