Book Image

Creating Data Stories with Tableau Public

Book Image

Creating Data Stories with Tableau Public

Overview of this book

Tableau Public is a very useful tool in anyone's data reporting toolbox that allows authors to add an interactive data element to any article. It allows investigative journalists and bloggers to tell a “data story”, allowing others to explore your data visualization. The relative ease of Tableau Public visualization creation allows data stories to be developed rapidly. It allows readers to explore data associations in multiple-sourced public data, and uses state-of-the-art dashboard and chart graphics to immerse the users in an interactive experience. This book offers investigative journalists, bloggers, and other data story tellers a rich discussion of visualization creation topics, features, and functions. This book allows data story tellers to quickly gain confidence in understanding and expanding their visualization-creation knowledge, and allows them to quickly create interesting, interactive data visualizations to bring a richness and vibrancy to complex articles. The book takes you from basic concepts in visualization creation, like connecting to data sources, cleansing data, chart types, common functions, map creation, and publishing to the Web, to more advanced functions. It is a great overview and reference guide for beginner to intermediate Tableau Public data story tellers, and covers creation of Tableau Public visualizations of varying complexities.
Table of Contents (11 chapters)
10
Index

Adding and using Filters


Filters are designed to meet several needs of your users; the following are some of these needs:

  • Limiting the scope of an analysis

  • Allowing users to view only what interests them

  • Removing outliers

Using a filter to limit the data that is extracted into your workbook improves the performance of the workbook. However, the following are the two disadvantages of using filters on dashboards:

  • Using many filter actions with multiple Dimension members can slow down a dashboard's performance.

  • Filters can be applied to only one data source at a time. So, in case multiple data sources are being used on one dashboard, you'll need to use parameters or controller worksheets to filter all of them.

In this chapter, we will use the dashboard that we created in the previous chapter. You can download the finished product by visiting https://public.tableau.com/views/Chaper7-Dashboards/CO2EmissionsDashboard?:embed=y&:display_count=yes&:showTabs=y. The dashboard uses only one data source...