To cite package ‘RegCombin’ in publications use:

  D'Haultfoeuille X, Gaillac C, Maurel A (2026). _RegCombin: Partially
  Linear Regression under Data Combination_. R package version 0.4.1,
  <https://github.com/cranhaven/cranhaven.r-universe.dev>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {RegCombin: Partially Linear Regression under Data Combination},
    author = {Xavier D'Haultfoeuille and Christophe Gaillac and Arnaud Maurel},
    year = {2026},
    note = {R package version 0.4.1},
    url = {https://github.com/cranhaven/cranhaven.r-universe.dev},
  }