public MeasurementGroup addMeasure(String name,double val,double min,double max,double exp,boolean lowerisbetter){
  measurements.add(new Measurement(name,val,min,max,exp,lowerisbetter));
  return this;
}

public MeasurementGroup addMeasure ( String name , double val , double min , double max , double exp , boolean lowerisbetter ) { measurements . add ( new Measurement ( name , val , min , max , exp , lowerisbetter ) ) ; return this ; }
add a single measurement .
