Table 1.

Identification of Staphylococcus aureus strains: k-fold cross-validation and external validation.

Actual/predicted	k-fold cross-validation			External validation
	Low	High	% correct	Low	High	% correct
PLS-DA
Low	100	5	95.2%	48	11	81.4%
High	7	96	93.2%	11	47	81.0%
Total PLS-DA			94.2%			81.2%
RF
Low	100	5	95.2%	45	14	76.3%
High	1	102	99.0%	13	45	77.6%
Total RF			97.1%			76.9%