Radar Chart Formatting
                                    The formatting functions for radar charts let you customize the look and feel of the chart. Using a combination of formatting functions, users have a lot of control over how the chart will look, and what information the reader's attention should be drawn to.
Formatting can be set from the following Formatting panel selections:
- Radar Line Chart: customize the background color and scale.
 - Report Title: customize the report title.
 - X-Axis: customize the x-axis labels, title, line, and size.
 - Y-Axis: customize the x-axis labels, title, line, and size.
 - Data Labels: show or hide data labels, and customize data label fonts, colors, formats, and more.
 - Plot Area: customize the plot area by changing the color, adding borders, and changing the axes.
 - Legend: edit the report legend by changing its position, layout, and fonts.
 - Shapes: change the shape of the data point.
 - Color: customize the color and font for a given legend item and the analogous data point.
 - Y-Trellis Axis/ X-Trellis Axis: show or hide trellis labels for each chart, and edit the font for trellis labels.
 - Multi Chart Title: show the relevant title for each trellised chart.