A Hybrid Genetic Programming Method in Optimization and Forecasting: A Case Study of the Broadband Penetration in OECD Countries

<table class="table-group" id="tab26"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="center" colspan="2">Fitting performance—optimized diffusion models for  The Netherlands  </td></tr><tr class="thead"><td align="left">Model name</td><td align="left">Model</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Logistic</td><td align="left">0.383817447797/(1+E(−(−2.99687030519+0.0615659713049*t))) </td></tr><tr><td align="left">Bass</td><td align="left">0.383817510204*(1−E(−(4.51096518494e−08+0.0615658365913)*(t−(−180.776347814))))<br/>/(1+(0.0615658365913/4.51096518494e−08)*E(−(4.51096518494e−08+0.0615658365913)* <br/>(t−(−180.776347814))))</td></tr><tr><td align="left">Gompertz with constant</td><td align="left">0.362060867532*E(−7.28281633264*E(−0.0455738781315*t))+0.0321086407123</td></tr><tr><td align="left">Gompertz</td><td align="left">0.408631571889*E(−4.42176509808*E(−0.0373156465688*t))</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Representation of the optimized diffusion models in fitting (The Netherlands).

Advances in Operations Research

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Table 26

Table 26: A Hybrid Genetic Programming Method in Optimization and Forecasting: A Case Study of the Broadband Penetration in OECD Countries 