Conditional independence relations among biological markers may improve clinical decision as in the case of triple negative breast cancers

Table 1 Aggregation of original data

	(a) Original classes						(b) Absolute frequencies in aggregated classes
	1	2	3	4	5	6	1	2	3
PR	1	2	2	2	3	3	182	220	231
ER	1	2	2	2	3	3	116	247	270
NEU	1	2	2	2	3	3	328	203	102
PROLN	1	2	2	3	3		129	268	236
P53	1	2	3	3			293	175	165
AGE	< 50	[50, 60]	> 60				50	198	385

(a) Aggregation of original classes performed before analyzing data. The original discrete values are reported in the first row while integer numbers referring to final classe are shown in the body of the table. (b) Empirical marginal distributions of absolute frequencies after transformation of original data.

ISSN: 1471-2105