The radar plugin will look to its left for data plugins. Try using this sample material data to compare various radar plugin configurations.
Example Charts
Choose an example configuration. Shift-click these links to see multiple configurations side-by-side.
Specify both Dimensions and Limits — names & numbers.
Sample Data
The example radar charts expect to find this sample data. To use these charts with different datasets you may need to revise the specified dimensions or limits.
Polyester-Fabric-Tier2.csv
Cotton-Fabric-Tier2.csv
Data from Nike MSI 
material sustainability index.