Book Image

Tableau 10 Complete Reference

By : Joshua N. Milligan, Tristan Guillevin
Book Image

Tableau 10 Complete Reference

By: Joshua N. Milligan, Tristan Guillevin

Overview of this book

Graphical presentation of data enables us to easily understand complex data sets. Tableau 10 Complete Reference provides easy-to-follow recipes with several use cases and real-world business scenarios to get you up and running with Tableau 10. This Learning Path begins with the history of data visualization and its importance in today's businesses. You'll also be introduced to Tableau - how to connect, clean, and analyze data in this visual analytics software. Then, you'll learn how to apply what you've learned by creating some simple calculations in Tableau and using Table Calculations to help drive greater analysis from your data. Next, you'll explore different advanced chart types in Tableau. These chart types require you to have some understanding of the Tableau interface and understand basic calculations. You’ll study in detail all dashboard techniques and best practices. A number of recipes specifically for geospatial visualization, analytics, and data preparation are also covered. Last but not least, you'll learn about the power of storytelling through the creation of interactive dashboards in Tableau. Through this Learning Path, you will gain confidence and competence to analyze and communicate data and insights more efficiently and effectively by creating compelling interactive charts, dashboards, and stories in Tableau. This Learning Path includes content from the following Packt products: • Learning Tableau 10 - Second Edition by Joshua N. Milligan • Getting Started with Tableau 2018.x by Tristan Guillevin
Table of Contents (20 chapters)
Title Page
About Packt
Deeper Analysis - Trends, Clustering, Distributions, and Forecasting

Scope and direction

Scope and direction are terms that describe how a table calculation is computed relative to the table. When a table calculation is relative to the layout of the table, rearranging the fields in the view will not change the scope and direction.

  • Scope: The scope defines the boundaries within which a given table calculation can reference other values
  • Direction: The direction defines how the table calculation moves within the scope

You've already seen table calculations being calculated Table (across) (for example, the running sum of Sales over time) and Table (down) (for example, the preceding table ). In these cases, the scope was the entire table and the direction was either across or down. You may recall that the running total calculation ran across the entire table, adding subsequent values as it moved.

To define scope and direction for a table calculation, use the drop-down menu for the field in the view and select Compute Using. You will get a list of options that will...