MIP Models and Hybrid Algorithms for Simultaneous Job Splitting and Scheduling on Unrelated Parallel Machines

Table 7

Parameter estimates.

Term	Effect	Coef.	SE coef.	T	P
Constant		606.025	0.2789	2172.53	0.000
𝑃size	−0.450	−0.225	0.2789	−0.81	0.426
𝑃𝑐	−2.450	−1.225	0.2789	−4.39	0.000
𝑃𝑚	1.350	0.675	0.2789	2.42	0.021
𝑃size∗𝑃𝑐	0.050	0.025	0.2789	0.09	0.929
𝑃size∗𝑃𝑚	−0.150	−0.075	0.2789	−0.27	0.790
𝑃𝑐∗𝑃𝑚	−1.150	−0.575	0.2789	−2.06	0.047
𝑃size∗𝑃𝑐∗𝑃𝑚	0.750	0.375	0.2789	1.34	0.188