7 ways to run R code

There are a variety of ways to run R code:

1. Type code at the R prompt

2. Send code to the R prompt from a source editor, for example in RStudio

3. Rscript to run an R script (or code) from the command line

4. R CMD BATCH to run an R script from the command line when you’re feeling retro

5. source() to run an R script from another R script or the R prompt

6. RStudio background jobs to run an R script in the background

7. callr package to run R code in a separate process