nag_stat_inv_cdf_beta_vector (g01tec) Example Program Results tail p a b beta ivalid --------------------------------------------------------------- Nag_LowerTail 0.500 1.00 2.00 0.293 0 Nag_LowerTail 0.990 1.50 1.50 0.967 0 Nag_LowerTail 0.250 20.00 10.00 0.611 0