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Introducing Radar Charts as New Chart Type

Posted: Wednesday, May 11, 2016 | 0 comment(s)
We'll introduce a brand new popular chart type that has been missing in List & Label until version 22: radar charts. Also known as "spider charts", "web charts" or "polar charts", they are a cool way to visualize ratios between different categories across multiple rows. It can answer questions like "which values are most similar, i.e. do we see clusters of values" and helps to find outliers at a glance.

The figure below shows a typical radar chart in LL22:

New feature of version 22

Each of the radii represents a category, each color a year and each symbol a single data point. From the chart above, it's immediately obvious that Seafood sales remained constant between 2016 and 2017 whereas there's a good increase in Beverages sales. The sales for dairy products even dropped.
Configuring the chart works just like for every other chart – the radar chart consists of two or three axes, depending which subtype you choose:

New feature of version 22

In our sample, we have a Multi-Row chart with the category name (i.e. "Beverages", "Seafood",…) on the category axis, the year on the series axis and the actual sales on the value axis. The new chart offers a multitude of properties to change its appearance. You can draw shapes instead of just the lines and symbols:

New feature of version 22

As shapes tend to hide each other, you also have the option to make sure no information gets lost – simply let LL22 draw the hidden outlines for you:

New feature of version 22

Besides, you have the usual options to set font sizes, grid line colors, remove or re-color the zebra pattern, move the legend etc. The radar chart is a full blown new member of the List & Label chart family.

Author: Jochen Bartlau
Head of Development List & Label

Jochen Bartlau leads the development at combit as Managing Director. He's a Microsoft .NET enthusiast driving innovation & agile project management. The mobile devices geek who used to be a physicist in his first life loves to spend his spare time with his family.


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