To cite package ‘decompositionLE’ in publications use:

  Yu V (2025). _decompositionLE: Provides Easy Methods to Perform Life
  Expectancy Decomposition_. R package version 1.0.0,
  <https://github.com/herts-phei/decompositionle>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {decompositionLE: Provides Easy Methods to Perform Life Expectancy Decomposition},
    author = {Victor Yu},
    year = {2025},
    note = {R package version 1.0.0},
    url = {https://github.com/herts-phei/decompositionle},
  }