. 2014 Aug 5;10:174. doi: 10.1186/s12917-014-0174-y

Table 3.

Results of boosted regression trees

Variables	*Rel. Con. (mean)**	Rel.Con. (SD)	Mean of AUC (range)**
			Model set	Test set
No. of human population	51.64	5.44	0.961 (0.838-1.000)	0.801 (0.692-0.908)
Density of farms having breeding sows	48.36	5.44	0.961 (0.838-1.000)	0.801 (0.692-0.908)

*Relative contribution.

**Area under the curve (AUC) of the receiver operating characteristics (ROC) plots.

Results of boosted regression trees (Model II) with 100 bootstraps applied to model PRRS presence/absence at the sub-district level in Thailand.