Literate programming

Creating and working in scripts

• Open course RStudio project.

• Create new R script.

• Type library(palmerpenguins).

• Is palmerpenguins loaded? How can you check?

• Run the line to load palmerpenguins.

• Type print(penguins).

• Source the whole script.

• Comment out the print(penguins) line.

• Source the script.

Creating and working with R Markdown files

• Create new R Markdown file.

• Type “The mean of the first 9 digits is `r mean(1:9)`.”

• Knit/render the document.

• Create a new code chunk.

• Inside the code chunk, load the palmerpenguins package and print the penguins data set.

• Run the code chunk without knitting the file.

• Knit/render the file.