Table 2.

Prediction of pathology for each 200-µm-diameter image pixel by Lasso

Set (m/z)	Diagnosis (for each 200-µm-diameter pixel)	Normal	BCC	Correct, %
Test set (m/z 150–1,200)	Normal	28,624	2,051	93.3
	BCC	2,618	6,708	71.9
	Overall agreement:			88.3
Test set (m/z 50–1,200)	Normal	6,435	155	97.6
	BCC	313	1,060	77.2
	Overall agreement:			94.1

Two test sets are shown.