nag_prob_students_t_vector (g01sbc) Example Program Data
4                                                                   :: ltail
Nag_LowerTail  Nag_TwoTailSignif  Nag_TwoTailConfid  Nag_UpperTail  :: tail
1                                                                   :: lt
0.85                                                                :: t
1                                                                   :: ldf
20.0                                                                :: df