return result;
return result.toString();
  public String toString() {        String result = "Discrete Estimator. Counts = ";    if (m_SumOfCounts > 1) {      for(int i = 0; i < m_Counts.length; i++) {	result += " " + Utils.doubleToString(m_Counts[i], 2);      }      result += "  (Total = " + Utils.doubleToString(m_SumOfCounts, 2)	+ ")\n";     } else {      for(int i = 0; i < m_Counts.length; i++) {	result += " " + m_Counts[i];      }      result += "  (Total = " + m_SumOfCounts + ")\n";     }    return result;  }