Distribution d= lb.getDistributionNonZero();
ArrayList<Double> qs= d.quantileBoundaries(100);
double m=0 ,sd=0;
for( int i=0; i<50; i++ ){
Distribution df= d.subset(qs.get(i), qs.get(qs.size()-1-i), true, true);
m= df.mean();
sd= df.standartDeviation();
double z= sd/m;
//System.out.println(i+" mean: "+m+" med: "+med+" sd: "+ sd+" z:"+z);
if(z<0.2){
break;