How to Clean Messy Data in Tableau in Seconds!

In this tutorial, I’ll show you how to use Tableau’s Data Interpreter to clean up a messy dataset in seconds. You’ll learn how to automatically remove unnecessary headers, fix field names, and get your data ready for analysis.

Then, we’ll take that cleaned data and build a Population Pyramid from scratch — perfect for visualizing demographic distributions like age and gender.

You’ll learn:

• How Tableau’s Data Interpreter works and when to use it

• Tips for cleaning data quickly without leaving Tableau

• Step-by-step instructions to create a Population Pyramid

• How to make your visualization clear and easy to read

Whether you’re a beginner or an experienced Tableau user, this video will help you save time, clean your data, and create a chart that impresses stakeholders.

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