When to Use a Spider Chart
A Brief Introduction of the Spider Chart
The spider chart, also called the radar chart, web chart, polar chart, and star plots, is named by its unique appearance. It is a chart that uses a two-dimensional graph to display a multi-dimensional data structure. However, it has an extreme limit, which more than two, but no more than six items can be compared. Otherwise, you cannot see the data. Thus, we should explore when the proper occasions of using this chart are.
Generally, the metrics are features or factors to be compared. They are quite disparate from each other. Often the scores assigned to each metric are relatively scaled – for instance, from 0 to 100, where higher scores indicate better performance under the metrics.
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When to Use a Spider Chart?
Occasion 1 - Several items will be compared with more than 5 metrics of features or characteristics.
The distinctive feature the spider chart owns, but other charts do not have is the general comparison of all metrics to make a decision. You can judge the cover area and sharp points on the metric lines to have an overall understanding of the pros and cons of those items you intend to make. Take an education issue as an example, if you want to compare the average score of different courses in different classes, you can see the results clearly in the following spider chart.
Occasion 2 - The overall situation of different items.
In the spider chart, each item might cover a fixed area based on its data. If you intend to see the coverage of each item under different metrics, a spider chart is your best choice. For instance, if a coach wants to see his players’ performances in a match, he can see the overall situations of each player and analyze to provide a well-focused training plan.
We can observe from the below situations, several items should be analyzed by different metrics, a spider chart performs perfectly in visualizing those data. Would you like to draw a spider chart like those examples? Please do not hesitate to have a try of Edraw, you can draw all types of spider charts handily.