Robust Quadratic Regression and Its Application to Energy-Growth Consumption Problem

Table 1

LS-CQR and LS-RQR models with different 𝜖.

Model	𝑄	𝛼	𝛽	Err	𝑇 (s)
CQR 𝜖=0.00	−4.254	6.721	−6.099	1.688	0.000
RQR 𝜖=0.01	−3.899	6.225	−5.433	1.621	0.500
RQR 𝜖=0.02	−3.690	5.938	−5.063	1.663	0.500
RQR 𝜖=0.03	−3.423	5.561	−4.564	1.735	0.500
RQR 𝜖=0.04	−2.900	4.755	−3.363	2.029	0.516
RQR 𝜖=0.05	−2.243	3.719	−1.817	2.574	0.484