To cite package ‘DTRlearn2’ in publications use:

  Chen Y, Liu Y (2026). _DTRlearn2: Statistical Learning Methods for
  Optimizing Dynamic Treatment Regimes_. R package version 2.1,
  <https://github.com/ychen178/dtrlearn2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {DTRlearn2: Statistical Learning Methods for Optimizing Dynamic Treatment
Regimes},
    author = {Yuan Chen and Ying Liu},
    year = {2026},
    note = {R package version 2.1},
    url = {https://github.com/ychen178/dtrlearn2},
  }
