To cite package ‘PhysioAppKit’ in publications use:

  Matsui Y (2026). _PhysioAppKit: Domain-Neutral Single-Case Engine for
  Physiological Application Layers_. R package version 0.2.1,
  <https://github.com/x-biosignal/physioappkit>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {PhysioAppKit: Domain-Neutral Single-Case Engine for Physiological Application
Layers},
    author = {Yusuke Matsui},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://github.com/x-biosignal/physioappkit},
  }