In this example we use radio buttons / option buttons to create interactive chart.
In a particular group of option buttons , only one of the option can be selected.
For E.g : In Gender , we can select either Male or Female.
In our example, we are using the employee headcount for a year.
Upon selecting the required quarter, the data for that particular quarter is highlighted.
When we select All option, all the quarters are shown in the same colour.