Table 13. GH and ZiGH regression on LOS at city hotel.

Coefficients	Estimate	Std. Error	z-value	p-value
Intercept ( ${\beta }_1$)	2.4868	0.0088	281.80	< 2e−16
LOS ( ${\beta }_2$)	0.0154	0.0021	7.29	3.05e−13
Dispersion Index (d)	4.6895	0.0155	302.63	$<2$ e−16
Order (m)	6
GH LogL	−37896.07
Intercept ( ${\beta }_1$)	2.5461	0.0091	280.19	< 2e−16
LOS ( ${\beta }_2$)	0.0117	0.0022	5.24	1.64e−07
Dispersion Index (d)	4.4857	0.0185	243.05	$<2$ e−16
Zero Inflation (θ)	0.0494	0.0024	20.83	$<2$ e−16
Order (m)	6
ZiGH LogL	−37192.2