Radar Chart Formatting
In addition to the common formatting and design functions, radar charts also support the following design options:
Axes: show or hide axis labels or lines.
Data Points:change data point style and increase or decrease data point size for line and area charts.
Grid Lines: show or hide concentric grid lines.
Line Style: change the line style for the lines connecting the data points, selecting from the default (solid line), dashed, or dotted.
Line Width: change the width of the lines connecting the data points.