Tip : How to increase or decrease HTML5 scatter plot chart bubble size in jasper reports

How to in scatter plot advanced properties ?

API property
 plotOptions: {
        series: {
            marker: {
                radius: 1
            }
        }


Refer this fiddle 

https://jsfiddle.net/gh/get/library/pure/highcharts/highcharts/tree/master/samples/highcharts/plotoptions/series-marker-radius/