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Table 6 Model estimation results for the best GLM models

From: Derivation of level of service by artificial neural networks at horizontal curves: a case study in Egypt

GLM Models
Variable		GLM 1			GLM 2			GLM 3
Variable	Coeff.	Chi-square	p-value	Coeff.	Chi-square	p-value	Coeff.	Chi-square	p-value
Constant	3.86	531.6	0.0001	5.05	753.4	0.0001	4.8	544.4	0.0001
AADT	0.136	97.1	0.0001	0.086	32.26	0.0001	0.108	39.77	0.0001
R	−0.505	2847	0.0001	−0.311	572.1	0.0001	−0.294	421.3	0.0001
HV	–	–	–	0.999	538.1	0.0001	0.99	514.3	0.0001
LC	–	–	–	–	–	–	−0.136	8.04	0.0046
R²	0.877	0.96	0.962
║δ║	0.258	0.142	0.123

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