Foundations for building visualizations
When you first connect to a data source such as the coffee chain data, Tableau will display the data connection and the fields in the Data window in the sidebar on the left-hand side. Fields can be dragged from the Data window onto various parts of the view on the right-hand side. Fields can be dropped onto the canvas area or onto various shelves, such as Rows, Columns, Color, or Size. The placement of the fields will result in different encodings of the data based on the type of field.
The fields from the data source are visible in the Data window and are divided into Measures and Dimensions. Understanding the difference between Measures and Dimensions is essential.
Measures are values that are aggregated. ...