nag_stat_prob_bivariate_students_t (g01hcc) Example Program Data Nag_LowerTail 8 0.6 4.0 0.8 : tail df rho b[i], i=0,1 Nag_Central 12 -0.2 -40.0 2.0 0.0 4.0 : tail df rho (a, b)[i], i=0,1 Nag_UpperTail 2 0.3 -2.0 8.0 : tail df rho a[i], i=0,1