To get the most out of this book

A basic knowledge of Tableau is required. You will need a Tableau license, or to sign up for the 14-day free trial version of Tableau. Readers are also expected to have a basic knowledge of R/RStudio and Python in order to make the most of the final chapter.

Download the example code files

The code bundle for the book is hosted on GitHub at https://github.com/PacktPublishing/Mastering-Tableau-2021. We also have other code bundles from our rich catalog of books and videos available at https://github.com/PacktPublishing/. Check them out!

Download the color images

We also provide a PDF file that has color images of the screenshots/diagrams used in this book. You can download it here: https://static.packt-cdn.com/downloads/9781800561649_ColorImages.pdf.

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. For example: "We can configure webpack using the webpack.config.js file"

A block of code is set as follows:

SCRIPT_REAL("
from numpy import random as rd 
mu, sigma = _arg2, _arg3
return (rd.normal(mu, sigma, _arg1[0])).tolist()
",
SIZE(), [mu], [sigma]
)

Any command-line input or output is written as follows:

pip install tabpy

Bold: Indicates a new term, an important word, or words that you see on the screen, for example, in menus or dialog boxes, also appear in the text like this. For example: "To start R within a Windows environment, navigate to Start | Programs | R x64 4.0.3."