Fig 2. Comparison between the Jonckheere-Terpstra trend test (T_JT) and the Cochran−Armitage trend test $\left({\mathit{T}}_{\mathit{C}\mathit{A}}^{\mathit{A}\mathit{d}\mathit{d}}\right)$ in four real datasets.

A denotes the minor allele; r_i′s and s_i′s are as defined in Table 1.