A radar graph is a circular chart with a central point. The data for different categories then radiate outwards from that central point on different axes. Radar graphs are an excellent data presentation method for showing lots of different sets of data on one diagram.
Figure 1 shows an example of using a radar graph to show how an area scored in an Environmental Quality Survey. The data used are shown in Table 1. There are five different categories (litter, traffic congestion, building quality, noise levels, green space) and each area is given a score for each category, where 1 is the lowest score and 5 is the highest. For example, a score of 5 means there is no traffic congestion and lots of open green space.
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