This blog post is based on a presentation by Tore Levinson about data visualization best practices and Tableau. Here are the key points:
Introduction
- Tore Levinson is a Tableau Jedi who has worked with Tableau for nearly 12 years.
- He prefers Tableau over PowerPoint for creating presentations because of the greater interactivity Tableau offers.
- He works for Inmeta Consulting in Norway as a Tableau partner.
Data Visualization Best Practices
- Don’t use too many colours, animations, or the wrong chart type for your data.
- Consider using horizontal bar charts instead of vertical bar charts for better readability.
- Pie charts and tree maps can be misleading because they cannot show negative values. Avoid using 3D pie charts.
- Labels should be clear and easy to read. Avoid using chart titles that are too long.
Tableau Tips
- Use Tableau Public to find dashboards and get inspiration for your visualizations.
- When working with dashboards, hide unnecessary elements like chart titles.
- Use parameters to allow users to filter data and see different views of the same data.
- Use dashboard actions to link views together so that selecting something in one view will filter the data in other views.
Learning Tableau
- Many free resources are available to learn Tableau, including video tutorials, user groups, and the Tableau Public platform.
- Some good books on data visualization, in general, are also recommended.
Levinson concludes the presentation by recommending following him on Twitter and contacting the Tableau community for help.
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