Where spider (radar) charts are used to represent time series data, the time series needs to show cyclical data. For example data on crime offences by hour of day could be usefully represented on a spider chart, similarly disease levels by month of the year.
How to create your own
Create your own: spider (radar) chart
Spider (radar) charts can be created in a range of standard data applications such as Excel.
The 'Who Had It Worse' Time Machine. A tool from Canada that allows users to select their graduating year and compare the financial situation against the graduating class of 1976 and see 'Who had it worse?'