OptionaldataOptionallabelsTick / category labels (default true)
OptionalmaxOptionalminValue axis bounds (default: nice data extent; the radius axis starts at 0)
OptionalnameTooltip / table / a11y name (default 'Angle' / 'Radius' in the chart locale)
OptionalsplitSplit circles (radius) / spokes (angle) (default true)
OptionalsplitValue axis tick count hint (default 5)
OptionaltypeDefault: 'category' with data, else 'value'
Category names (category axis)