This manual relates to an old release of the Library.
The documentation for the current release is also available on this site.
Example description
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