Book Image

Learning Tableau

By : Joshua N. Milligan
Book Image

Learning Tableau

By: Joshua N. Milligan

Overview of this book

Table of Contents (18 chapters)
Learning Tableau
About the Author
About the Reviewers
Adding Value to Analysis – Trends, Distributions, and Forecasting

Relating parts of the data to the whole

As you explore and analyze data, you'll often want to understand how various parts add up to a whole. For example, you'll ask questions like these:

  • How many patients with different admission statuses (in-patient, out-patient, observation, or ER) make up the entire population of patients in the hospital?

  • What is the percentage of total national sales made in each state?

  • How much space does each file, subdirectory, and directory take on my hard disk?

These types of questions ask about the relationship between the part (patient type, state, or file/directory) and the whole (the entire patient population, national sales, and hard disk). There are several types of visualizations and variations that can aid you in your analysis.

Stacked bars

We took a look at stacked bars in Chapter 1, Creating Your First Visualizations and Dashboard, where we noted one significant drawback: it is difficult to compare values across categories for any but the bottom-most bar (for...