Book Image

Mastering Tableau 2023 - Fourth Edition

By : Marleen Meier
Book Image

Mastering Tableau 2023 - Fourth Edition

By: Marleen Meier

Overview of this book

This edition of the bestselling Tableau guide will teach you how to leverage Tableau's newest features and offerings in various paradigms of the BI domain. Updated with fresh topics, including the newest features in Tableau Server, Prep, and Desktop, as well as up-to-date examples, this book will take you from mastering essential Tableau concepts to advance functionalities. A chapter on data governance has also been added. Throughout this book, you'll learn how to use Tableau Hyper files and Prep Builder to easily perform data preparation and handling, as well as complex joins, spatial joins, unions, and data blending tasks using practical examples. You'll also get to grips with executing data densification and explore other expert-level examples to help you with calculations, mapping, and visual design using Tableau extensions. Later chapters will teach you all about improving dashboard performance, connecting to Tableau Server, and understanding data visualization with examples. Finally, you'll cover advanced use cases, such as self-service analysis, time series analysis, geo-spatial analysis, and how to connect Tableau to Python and R to implement programming functionalities within Tableau. By the end of this book, you'll have mastered Tableau 2023 and be able to tackle common and advanced challenges in the BI domain.
Table of Contents (19 chapters)
17
Other Books You May Enjoy
18
Index

Other ways to improve performance

To conclude this chapter, let’s consider a few other possibilities for improving performance.

Avoid overcrowding a dashboard

Often, end users want to see everything at once on a dashboard. Although this may be perceived as beneficial, it often is not. Consider the inclusion of a large crosstab on a dashboard. Does scrolling through pages of details add to the analytical value of the dashboard? Perhaps the answer is “no.” Furthermore, an excess of information on a dashboard may obscure important insights. Diplomatically arguing for leaner dashboards may lead to better decision making as well as better performance.

Fixing dashboard sizing

Dashboards can be set to an exact size or to Range or Automatic. Exact size results in quicker performance because once Tableau Server has rendered a view for one end user, that render stays in the cache and can be reused for the next end user that accesses that dashboard. Automatic...