#### Overview of this book

Learning Tableau 10 Second Edition
Credits
www.PacktPub.com
Preface
Free Chapter
Creating Your First Visualizations and Dashboard
Working with Data in Tableau
Moving from Foundational to More Advanced Visualizations
Using Row-Level, Aggregate, and Level of Detail Calculations
Table Calculations
Formatting a Visualization to Look Great and Work Well
Telling a Data Story with Dashboards
Deeper Analysis – Trends, Clustering, Distributions, and Forecasting
Making Data Work for You
Advanced Visualizations, Techniques, Tips, and Tricks

## Visualizing distributions

Often, simply understanding totals, sums, and even the breakdown of part to whole only gives a piece of the overall picture. Many times, you'll want to understand where individual items fall within a distribution of all similar items.

You might find yourself asking questions such as:

• How long do most of our patients stay in the hospital? Which patients fall outside the normal range?

• What's the average life expectancy for components in a machine and which components fall above or below that average? Are there any components with extremely long or extremely short lives?

• How far above or below the average score were most students' test scores?

These questions all have similarities. In each case, you seek an understanding of where individuals (patients, components, students) were in relation to the group. In each case, you most likely have a relatively high number of individuals. In data terms, you have a dimension (patient, components, and student) with high cardinality...