1  Introduction

The Introduction page is intended as a short introduction to the book.

Like most Quarto books, this is a book created from markdown and executable code.

This kind of book is an example of literate programming - the intertwining of nicely-formatted text and images, and executable code. For example, the R code cell below executes and produces output when the book is compiled:

1 + 1
[1] 2

But the R code cell below does not:

summary(cars)

See Knuth (1984) for additional discussion of literate programming.