docs: public String getParameterString(){
          String para = "";
          para+="k="+knnNeighbourhood+";";
          if(useExpConnectivity){
  	        para+="lambdaConnX="+lambdaConnX+";";
  	        para+="lambdaConn="+lamdaConn+";";
  	        para+="lambdaConnRef="+lambdaConnRefXValue+";";
          }
          para+="m="+clusterConnectionMaxPoints+";";
          para+="tauConn="+tauConnection+";";
  
          return para;
      }