## Task

Your task is to create a heatmap and identify which **Sub-Category** in the **United States** and in which **region** generates the highest number of **Sales**.

1. Drag the **"Region"** field to the **Columns Shelf**.  
2. Drag the **"Sub-Category"** field to the **Rows Shelf**. At this stage, you will see a table.  
3. Drag the **"Sales"** field to the **Marks area** and click on **"Color"**.  
4. Drag the **"Sales"** field again to the **Marks area**, but this time click on **"Size"**.  
5. Change the shape of the marks to one that you like, such as **"Circle"**. 

Is the Sub-Category with the highest sales is in the "South" region?

This corse provides a comprehensive introduction to Tableau's core features, empowering learners to create impactful data visualizations and dashboards. We will cover essential topics such as working with charts, filters, calculated fields, and parameters, as well as advanced techniques like combining data and creating interactive dashboards. By the end, you will have the skills to transform raw data into actionable insights with ease and confidence.

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Challenge: Identifying Top-Selling Sub-Category by Region

Task