To cite package ‘NMMIPW’ in publications use:

Ying A (2021). NMMIPW: Inverse Probability Weighting under Non-Monotone Missing. R package version 0.1.0, https://CRAN.R-project.org/package=NMMIPW.

Corresponding BibTeX entry:

  @Manual{,
    title = {NMMIPW: Inverse Probability Weighting under Non-Monotone
      Missing},
    author = {Andrew Ying},
    year = {2021},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=NMMIPW},
  }