" />
  <meta name="twitter:title" content="Chapter 4 Introduction | A GitBook Example for Teaching" />
  
  <meta name="twitter:description" content="This GitBook for teaching is an adaptation of the minimal bookdown example by Yihui Xie, available at https://bookdown.org/yihui/bookdown-demo The output format for this example is bookdown::gitbook." />
  

<meta name="author" content="dr. Caspar J. van Lissa" />


<meta name="date" content="2020-03-26" />

  <meta name="viewport" content="width=device-width,