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

Working with Tableau Extracts


As discussed in our first chapter, there are two options of connecting to our data, namely, Live and Extract. With the Live option, Tableau connects directly to our data and maintains a Live' connection with the data source. In Live connection, Tableau leverages the capabilities of our data source and hence the speed of our data source will determine the performance of our analysis. Whereas, the Extract option helps us import the entire data or subset of our data into Tableau's fast data engine as an Extract. This basically creates a .tde file which stands for Tableau Data Extract.

So far we have used the Live connect option for connecting to our data sources. However, in this section, we will focus on the Extract option.

Typically, Extracts are used for the following reasons:

  • Improving performance: If the data source speed is hampering the performance of our analysis, then we can use an Extract. This could be the case when connecting to flat files such as Excel...