Table 14. GH and ZiGH regression on LOS at city hotel with covariate-dependent dispersion.

Coefficients	Estimate	Std. Error	z-value	p-value
Intercept ( ${\beta }_1$)	2.4940	0.0098	254.74	< 2e−16
LOS ( ${\beta }_2$)	0.0130	0.0025	5.18	2.23e−07
Intercept ( ${\gamma }_1$)	1.8718	0.0263	71.10	< 2e−16
LOS ( ${\gamma }_2$)	−0.0112	0.0067	−1.68	0.0937
Order (m)	6
GH LogL	−37894.62
Intercept ( ${\beta }_1$)	2.5456	0.0097	261.45	< 2e−16
LOS ( ${\beta }_2$)	0.0119	0.0025	4.72	2.38e−06
Intercept ( ${\gamma }_1$)	1.6380	0.0285	57.52	< 2e−16
LOS ( ${\gamma }_2$)	0.0009	0.0072	0.13	0.896
Zero Inflation (θ)	0.0494	0.0024	20.83	< 2e−16
Order (m)	6
ZiGH LogL	−37192.19