This blog post asserts that Mode Studio supports R Notebooks. It's worth noting that these don't appear to have anything to do with the R Notebooks that you get

This blog post asserts that Mode Studio supports R Notebooks. It's worth noting that these don't appear to have anything to do with the R Notebooks that you get in RStudio[0]. They appear to be identical to its Python notebooks except for the language, like running a Jupyter with an R kernel. [0] https://rmarkdown.rstudio.com/r_notebooks.html https://rmarkdown.rstudio.com/r_notebooks.html