To cite package ‘lmreg’ in publications use:

  Sengupta D, Jammalamadaka SR, Qiu J (2025). _lmreg: Data and
  Functions Used in Linear Models and Regression with R: An Integrated
  Approach_. R package version 1.3,
  <https://github.com/janakaushik/lmreg>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {lmreg: Data and Functions Used in Linear Models and Regression with R:
An Integrated Approach},
    author = {Debasis Sengupta and S. Rao Jammalamadaka and Jinwen Qiu},
    year = {2025},
    note = {R package version 1.3},
    url = {https://github.com/janakaushik/lmreg},
  }