In this blog post I show how to get started with Tableau to do some simple yet interesting data visualisations. Using a list of all Summer Olympic Games medal winners since 1896, I used Tableau Public to uncover some simple yet interesting facts about the games and about recent history.
What is an Intensity Map?
An intensity map highlights geographical regions based on relative values. Geographical regions can be countries, states, counties, cities, etc. and the values or aspects that can be highlighted or represented could be as varied as social, political, cultural, economic, sociological, agricultural, etc.
What is Data Visualisation?
I like the definition in TechTarget: Data visualisation is a general term that describes any effort to help people understand the significance of data by placing it in a visual context. Patterns, trends and correlations that might go undetected in text-based data can be exposed and recognized easier with data visualisation software.