Table 6 Multiple linear regression...

Table 6

Multiple linear regression results for delivery time (T) and proportion of light loads (L)

MIP	Response	F statistic (p-value)	Adjusted R²	Standard error	B0 (p-value)	Predictor	B value	t-statistic	p-value
Light loads	T¹	143.10 (<0.001)	0.979	1.999	54.672 (<0.001)	Reqt	−8.674	−17.353	<0.001
						Fleet	−2.955	−5.912	<0.001
						Berth	−1.597	−3.196	<0.01
						Transit	−9.426	−18.857	<0.001
						Reqt Transit*	1.829	3.659	<0.01
	L²	18.98 (<0.001)	0.827	0.111	0.338 (<0.001)	Fleet	0.074	2.657	0.02
						Berth	−0.060	−2.162	0.05
						Transit	0.121	4.341	<0.01
						Load	0.187	6.734	<0.001
Full loads	T³	441.50 (<0.001)	0.996	0.878	56.362 (<0.001)	Reqt	−8.830	−40.231	<0.001
						Fleet	−2.399	−10.931	<0.001
						Berth	−2.360	−10.754	<0.001
						Transit	−8.752	−39.876	<0.001
						Reqt Fleet*	0.572	2.604	0.04
						Reqt Transit*	1.645	7.495	<0.001
						Fleet Berth*	−0.516	−2.351	0.05
						Fleet Transit*	0.970	4.420	<0.01

MIP	Response	F statistic (p-value)	Adjusted R²	Standard error	B0 (p-value)	Predictor	B value	t-statistic	p-value
Light loads	T¹	143.10 (<0.001)	0.979	1.999	54.672 (<0.001)	Reqt	−8.674	−17.353	<0.001
						Fleet	−2.955	−5.912	<0.001
						Berth	−1.597	−3.196	<0.01
						Transit	−9.426	−18.857	<0.001
						Reqt * Transit	1.829	3.659	<0.01
	L²	18.98 (<0.001)	0.827	0.111	0.338 (<0.001)	Fleet	0.074	2.657	0.02
						Berth	−0.060	−2.162	0.05
						Transit	0.121	4.341	<0.01
						Load	0.187	6.734	<0.001
Full loads	T³	441.50 (<0.001)	0.996	0.878	56.362 (<0.001)	Reqt	−8.830	−40.231	<0.001
						Fleet	−2.399	−10.931	<0.001
						Berth	−2.360	−10.754	<0.001
						Transit	−8.752	−39.876	<0.001
						Reqt * Fleet	0.572	2.604	0.04
						Reqt * Transit	1.645	7.495	<0.001
						Fleet * Berth	−0.516	−2.351	0.05
						Fleet * Transit	0.970	4.420	<0.01

Note(s): B values represent unstandardized coefficients; Shapiro–Wilk tests failed to show evidence of non-normality of the residuals (¹W = 0.985, p-value = 0.992; ²W = 0.988, p-value = 0.998; ³W = 0.965, p-value = 0.758)

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