To cite package ‘oesir’ in publications use:

  Yan S, Guo G (2026). _oesir: Online Sliced Inverse Regression for
  Elliptical Model with Streaming Data_. R package version 0.3.2,
  <https://CRAN.R-project.org/package=oesir>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {oesir: Online Sliced Inverse Regression for Elliptical Model with
Streaming Data},
    author = {Sirui Yan and Guangbao Guo},
    year = {2026},
    note = {R package version 0.3.2},
    url = {https://CRAN.R-project.org/package=oesir},
  }