Multiclass Prediction with Partial Least Square Regression for Gene Expression Data: Applications in Breast Cancer Intrinsic Taxonomy

Table 2

PAM50 prototypes and predicted subtypes by PLS-regression for prototypical arrays.

PAM50 prototype; (sample number)	Predicted subtype
	Basal-like	HER2-enriched	Luminal-A	Luminal-B	Normal breast-like	Unclassified
Basal-like (57)	57	0	0	0	0	0
HER2-enriched (35)	0	26	0	0	0	9
Luminal-A (23)	0	0	21	0	0	2
Luminal-B (12)	0	1	0	6	0	5
Normal breast-like (12)	0	0	0	0	12	0