Tips for RStudio Setup for RMarkdown and More

Don’t install R to the default location. Instead, choose a location such as C:\Program Files\R.

Verdict: no version difference issue

Create a .Renviron file to your home directory ~/ using the following function:

# File will be created if it doesn't exist
file.edit('~/.Renviron')

Add R_LIBS_USER="C:/R" to .Renviron. This variable will be the library of R packages. It is extremely useful if you are using a computer with limited rights and anti-virus softwares.

Remember to restart RStudio before you install new packages to this folder.

Using the function file.edit() to open/create a .Rprofile file.

file.edit('~/.Rprofile')

Add options(servr.daemon = TRUE) to the file so that Infinite Moon Reader addin won’t lock R process.

Using RStudio with VS Code for infinite moon

• Download R language support in VS Code.
• Open .rmd file in both VS Code and RStudio.
• Run infinite moon addin in RStudio (remember to write options(servr.daemon = TRUE) to the file .Rprofile.
• (Option) Check Auto Save in VS Code.
• Open RStudio and VS Code side by side (on Windows: window buttom+arrow)
• Maximaze the viewer pane in RStudio.

Relative path for Xaringan

For css and beforeInt, relative path may be used. However, to let knitr recognize the relative path, the function xaringan::inf_mr(cast_from = '..') or similar should be used. After using it once, the Infinite Moon Reader addin seems work.