A Dynamical Innovation Diffusion Model with Fuzzy Coefficient and Its Application to Local Telephone Diffusion in China

Table 4

The error control target value of history data.

Error	𝐹	𝑎1	𝑏1	𝑐1×10^3	𝑑1	𝑑1	𝑎2	𝑏2	𝑐2×10^3
100%	43937.44	0.001795	0.226062	5.54699𝐸−06	0.01164	0.027958	0.0003922	0.388549	3.24809𝐸−05
80%	56921.23	0.001848	0.227387	4.87714𝐸−06	0.018258	0.024537	0.00011641	0.416663	4.76498𝐸−05
60%	63795.76	0.001114	0.252945	4.65459𝐸−06	0.015721	0.023128	0.0001476	0.373296	4.13123𝐸−05
55%	51876.72	0.001372	0.240317	4.44283𝐸−06	0.018897	0.023776	0.00003187	0.39436	3.84283𝐸−05
50%	54156.28	0.00115	0.268982	5.77116𝐸−06	0.010228	0.029075	0.00005979	0.363491	2.26276𝐸−05
45%	53254.21	0.000904	0.271314	4.96505𝐸−06	0.014153	0.024267	0.00003765	0.357402	2.08844𝐸−05