To cite package ‘rk.ddi.import’ in publications use:

  Cano A (2026). _rk.ddi.import: Applies variable labels and factor
  levels (responses) to an existing data.frame by reading a DDI/XML
  file. Highly optimized for massive datasets._. R package version
  0.0.5, <https://github.com/alfcano/rk.ddi.import>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rk.ddi.import: Applies variable labels and factor levels (responses) to an
existing data.frame by reading a DDI/XML file. Highly optimized
for massive datasets.},
    author = {Alfonso Cano},
    year = {2026},
    note = {R package version 0.0.5},
    url = {https://github.com/alfcano/rk.ddi.import},
  }