To cite package ‘postGGIR’ in publications use:

Guo W, Leroux A, Zipunnikov V, Merikangas K (2022). postGGIR: Data Processing after Running 'GGIR' for Accelerometer Data. R package version 2.4.0.2, https://CRAN.R-project.org/package=postGGIR.

Corresponding BibTeX entry:

  @Manual{,
    title = {postGGIR: Data Processing after Running 'GGIR' for
      Accelerometer Data},
    author = {Wei Guo and Andrew Leroux and Vadim Zipunnikov and
      Kathleen Merikangas},
    year = {2022},
    note = {R package version 2.4.0.2},
    url = {https://CRAN.R-project.org/package=postGGIR},
  }