To cite pencal in publications use:

M. Signorelli (2023). “pencal: an R Package for the Dynamic Prediction of Survival with Many Longitudinal Predictors.” arXiv preprint. https://doi.org/10.48550/arXiv.2309.15600.

M. Signorelli, P. Spitali, C. Al-Khalili Szigyarto, The MARK-MD Consortium, R. Tsonaka (2021). “Penalized regression calibration: A method for the prediction of survival outcomes using complex longitudinal and high-dimensional data.” Statistics in Medicine, 40(27), 6178–6196. https://doi.org/10.1002/sim.9178.

Corresponding BibTeX entries:

  @Article{,
    title = {pencal: an R Package for the Dynamic Prediction of
      Survival with Many Longitudinal Predictors},
    author = {{M. Signorelli}},
    journal = {arXiv preprint},
    year = {2023},
    number = {arXiv:2309.15600},
    url = {https://doi.org/10.48550/arXiv.2309.15600},
  }
  @Article{,
    title = {Penalized regression calibration: A method for the
      prediction of survival outcomes using complex longitudinal and
      high-dimensional data},
    author = {{M. Signorelli} and {P. Spitali} and {C. Al-Khalili
      Szigyarto} and {The MARK-MD Consortium} and {R. Tsonaka}},
    journal = {Statistics in Medicine},
    year = {2021},
    volume = {40},
    number = {27},
    pages = {6178--6196},
    url = {https://doi.org/10.1002/sim.9178},
  }