AnyChart Charts provide you an ability to access different statistical data calculated by chart engine.

Statistics Methods

To obtain statistical data from chart use getStat() method with field name as a parameter, available field names can be found in anychart.enums.Statistics, you can use them by name or by their string representation:

var bubbleMaxSize = chart.getStat("dataPlotBubbleMaxSize");
var pointsCount = chart.getStat(anychart.enums.Statistics.DATA_PLOT_POINT_COUNT);

Here is a sample chart where maximum bubble size and number of points is obtained using getStat() method:

JsFiddle Playground

You are looking at an outdated 7.10.0 version of this document. Switch to the 8.1.0 version to see the up to date information.