How to connect bookdown with google analytics

1. Create Google Analytics account
2. Choose “Analytics Accounts”
3. Create “Properties & Apps”
4. In “Data Streams”, “Add stream” with your website URL
5. Under “Tagging Instructions”, click on gtag.js. You should see something like this:

<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-DMNX2X65HQ"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'GA_MEASUREMENT_ID');
</script>

where you see GA_MEASUREMENT_ID, you will your own number.

6. Create a .html file and paste the code script and save it in your bookdown folder. Name it google_analytics.html
7. Go to _output.yml, change it to

bookdown::gitbook:
  includes:
    in_header: [google_analytics.html]
  css: style.css

8. Upload your bookdown
9. Go to Google Analytics your Google Analytics account. And voila.