To set which column represents the size of the sectors:
In the Data panel, click and hold down the left mouse button on the column you want to represent the size of the sectors.
Drag to the center of the visualization.
Response: Drop targets appear in the middle of the visualization.
Release the mouse button on the sector size drop target.
Response: The sectors are adjusted so that the size is according the corresponding values of the column.
From the Legend, click the Sector Size by selector, and select an aggregation, for example, Sum or Count.
To sort the sectors of the pie chart:
Right-click the visualization to display the pop-up menu.
Select Properties.
Go to the Appearance page.
Select the Sort sectors by size check box.
To create a new pie chart:
Click
the Pie Chart button on the toolbar, .
Comment: You can also select Insert > Visualization > Pie Chart from the menu.
Response: A first attempt to set up a suitable pie chart is made by the application.
Adjust the pie chart to display the data of your choice.