rsos_article: Royal Society Open Science journal format.
In rticles: Article Formats for R Markdown

Format for creating submissions to Royal Society Open Science journals.

rsos_article(
  ...,
  keep_tex = TRUE,
  latex_engine = "xelatex",
  pandoc_args = NULL,
  includes = NULL,
  fig_crop = TRUE
)

`...`	Additional arguments to `rmarkdown::pdf_document`
`keep_tex`	Keep the intermediate tex file used in the conversion to PDF
`latex_engine`	LaTeX engine for producing PDF output. Options are "pdflatex", "lualatex", and "xelatex".
`pandoc_args`	Additional command line options to pass to pandoc
`includes`	Named list of additional content to include within the document (typically created using the `includes` function).
`fig_crop`	`TRUE` to automatically apply the `pdfcrop` utility (if available) to pdf figures