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They are often useful for comparing the points of two or more different data sets.
Dataset Properties
The radar chart allows a number of properties to be specified for each dataset. These are used to set display properties for a specific dataset. For example, the colour of a line is generally set this way.
The style of point. Options are:
- 'circle'
- 'cross'
- 'crossRot'
- 'dash'.
- 'rect'
- 'rectRounded'
- 'rectRot'
- 'star'
- 'triangle'
If the option is an image, that image is drawn on the canvas using .
Unlike other charts, the radar chart has no chart specific options.
Scale Options
It is common to want to apply a configuration setting to all created radar charts. The global radar chart settings are stored in Chart.defaults.radar. Changing the global options only affects charts created after the change. Existing charts are not changed.
Data Structure
The property of a dataset for a radar chart is specified as a an array of numbers. Each point in the data array corresponds to the label at the same index on the x axis.
