To cite tactile in publications, please use:

Larsson J (????). tactile: New and Extended Plots, Methods, and Panel Functions for 'lattice'. R package version 0.2.2, https://cran.r-project.org/package=tactile.

Corresponding BibTeX entry:

  @Manual{,
    title = {{tactile}: New and Extended Plots, Methods, and Panel
      Functions for 'lattice'},
    author = {Johan Larsson},
    note = {R package version 0.2.2},
    url = {https://cran.r-project.org/package=tactile},
  }