TABLE 2.

Confusion table showing the accuracy each classifier^a after the classification of four untreated native Bacillus species in the training data set^b

Identification predicted by classifier	No. of spectra actually classified as indicated, grouped by classifier
	ANN				SVM				LDA
	B. mycoides	B. sphaericus	B. subtilis	B. thuringiensis	B. mycoides	B. sphaericus	B. subtilis	B. thuringiensis	B. mycoides	B. sphaericus	B. subtilis	B. thuringiensis
Unknown	0	0	1	2	0	0	0	2	0	0	1	3
B. mycoides	137	0	0	0	139	0	0	1	138	0	0	0
B. sphaericus	0	87	0	0	0	86	0	0	0	86	0	0
B. subtilis	0	0	70	0	0	0	72	0	0	0	71	0
B. thuringiensis	2	0	0	121	0	0	0	120	0	0	0	121

^aThe accuracy of each classifier for viable endospores was 99%.

^bThe species used were B. mycoides DSM 299, B. sphaericus DSM 1867, B. subtilis ATCC 6633, and B. thuringiensis DSM 350.