These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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Formatter function for the label text.
Available data are:
| `this.min` | The minimum value of the points in the selected range. |
| `this.max` | The maximum value of the points in the selected range. |
| `this.average` | The average value of the points in the selected range. |
| `this.bins` | The amount of the points in the selected range. |