For the best experience we recommend that you read the web version of this book which you can find here. The web version includes a navbar at the top of the page where you can toggle the sidebar on and off , search through the book , change the font, font size and page colour and suggest revisions if you spot a typo or mistake . You can also download a pdf version of our book by clicking on the pdf icon .
We use a few typographical conventions throughout this book.
R code and the resulting output are presented in code blocks in our book.
If you’re running R code in the R console it will look a little different from the code above. Code should be entered after the command prompt (
>) and the output from code in the console will not be commented with
In the book text we refer to R functions using code font followed by a set of round brackets, i.e.
We refer to objects that we create using code font without the round brackets, i.e.
A series of actions required to access menu commands in RStudio are identified as
New File ->
R Script which translates to ‘click on the File menu, then click on New File and then select R Script’.
Clickable links to sections in the book or to external websites are highlighted in light blue text, i.e. link.
Links to short ‘how-to’ videos that accompany this book are indicated by a video icon.
Links to exercises can be found at the end of each Chapter and are highlighted by a info icon.