Table 1.

Summary of breast cancer datasets.

Name	Total samples	Poor samples	Good samples	Reference
METABRIC	1,980	491	1,489	Pereira et al., 2016
TCGA-BRCA	1,056	813	243	The Cancer Genome Atlas
GSE8757	171	25	146	Chin et al., 2006
GSE69035	173	63	110	Zhang et al., 2009
Total	3,380	1,392	1,988	This work