Book Image

Tableau Cookbook - Recipes for Data Visualization

By : Shweta Sankhe-Savale
Book Image

Tableau Cookbook - Recipes for Data Visualization

By: Shweta Sankhe-Savale

Overview of this book

Data is everywhere and everything is data! Visualization of data allows us to bring out the underlying trends and patterns inherent in the data and gain insights that enable faster and smarter decision making. Tableau is one of the fastest growing and industry leading Business Intelligence platforms that empowers business users to easily visualize their data and discover insights at the speed of thought. Tableau is a self-service BI platform designed to make data visualization and analysis as intuitive as possible. Creating visualizations with simple drag-and-drop, you can be up and running on Tableau in no time. Starting from the fundamentals such as getting familiarized with Tableau Desktop, connecting to common data sources and building standard charts; you will walk through the nitty gritty of Tableau such as creating dynamic analytics with parameters, blended data sources, and advanced calculations. You will also learn to group members into higher levels, sort the data in a specific order & filter out the unnecessary information. You will then create calculations in Tableau & understand the flexibility & power they have and go on to building story-boards and share your insights with others. Whether you are just getting started or whether you need a quick reference on a “how-to” question, This book is the perfect companion for you
Table of Contents (18 chapters)
Tableau Cookbook – Recipes for Data Visualization
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
Index

Understanding how to create and use Parameters


Being able to create custom calculations is a very useful functionality of any tool. It gives the user an immense flexibility and power to do a lot of things. However, there are times when we would want to go beyond the calculations that are based on static hard coded conditions. So, for example, in the Logic statement that we saw earlier, we had hard coded the Sales Target value to 100K. Now the problem is that as we continue with our business, the 100K target may soon become redundant and the calculations will soon have to be revisited. Plus, hard coding the Target at the development stage may not be a good idea as the end user may have some different values in mind. In this case, it makes sense to have the option where, the end user can pass certain values at the viewing level.

To address the preceding requirement, we will use the parameter functionality provided by Tableau. Parameters are controls that can be given to the end user to dynamically...