nag_stat_inv_cdf_chisq_vector (g01tcc) Example Program Results tail p df x ivalid ------------------------------------------------------ Nag_LowerTail 0.010 20.0 8.2604 0 Nag_LowerTail 0.428 7.5 6.2006 0 Nag_LowerTail 0.869 45.0 55.7381 0