| e01dac | Interpolating function, bicubic spline interpolant, two variables |
| e02dcc | Least-squares bicubic spline fit with automatic knot placement, two variables (rectangular grid) |
| e02ddc | Least-squares bicubic spline fit with automatic knot placement, two variables (scattered data) |
| g02brc | Kendall and/or Spearman non-parametric rank correlation coefficients, allows variables and observations to be selectively disregarded |
| g02bxc | Product-moment correlation, unweighted/weighted correlation and covariance matrix, allows variables to be disregarded |