The Effects of Traffic Composition on Freeway Crash Frequency by Injury Severity: A Bayesian Multivariate Spatial Modeling Approach

Table 5

The results of comparison between the bivariate CAR, univariate CAR, and (aspatial) bivariate Poisson log-normal models.

	Bivariate CAR	Univariate CAR	Bivariate Poisson log-normal
	918	970	953
	123	74	96
DIC	1041	1044	1049
R^2	0.60	0.52	0.55