Table 1.

Sample data, ranks, and maximum rank statistics from four genes, assuming larger values of xg, yg indicate more interest to the researcher.

Index (g)	xg	yg	$\left(R_g^x,R_g^y\right)$	Mg
1	1.0	1.3	(3,2)	3
2	−0.2	0.0	(4,3)	4
3	1.2	−1.0	(2,4)	4
4	2.4	2.2	(1,1)	1