nag_stat_prob_f_vector (g01sdc) Example Program Results tail f df1 df2 p ivalid ------------------------------------------------------------------ Nag_LowerTail 5.50 1.50 25.50 0.984 0 Nag_LowerTail 39.90 1.00 1.00 0.900 0 Nag_LowerTail 2.50 20.25 1.00 0.534 0