To cite package ‘PhysioCore’ in publications use:

  Matsui Y (2026). _PhysioCore: Core Data Structures for Physiological
  Signal Analysis_. R package version 0.2.0,
  <https://github.com/x-biosignal/physiocore>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PhysioCore: Core Data Structures for Physiological Signal Analysis},
    author = {Yusuke Matsui},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/x-biosignal/physiocore},
  }