To cite package ‘higrad’ in publications use:

Su W, Zhu Y (2018). higrad: Statistical Inference for Online Learning and Stochastic Approximation via HiGrad. R package version 0.1.0, https://CRAN.R-project.org/package=higrad.

Corresponding BibTeX entry:

  @Manual{,
    title = {higrad: Statistical Inference for Online Learning and
      Stochastic Approximation via HiGrad},
    author = {Weijie Su and Yuancheng Zhu},
    year = {2018},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=higrad},
  }