Table 2. Rank of variable importance for prediction of viral etiology by reduction in residual sum of squares (RSS) using random forest regression.

Variable Name	RSS Reduction
Age	51.6
Season	29
Blood in stool	26.1
HAZ	24.7
Vomiting	23
Breastfed	22
MUAC	20.9
Resp. Rate	18.5
Wealth Index	18.3
Temperature	16.7