public String toString(){
  StringBuffer result=new StringBuffer();
  result.append("(" + Utils.doubleToString(m_coefficient,12,4));
  for (int i=0; i < m_fieldNames.length; i++) {
    result.append(" * " + m_fieldNames[i]);
  }
  result.append(")");
  return result.toString();
}

public String toString ( ) { StringBuffer result = new StringBuffer ( ) ; result . append ( "(" + Utils . doubleToString ( m_coefficient , 12 , 4 ) ) ; for ( int i = 0 ; i < m_fieldNames . length ; i ++ ) { result . append ( " * " + m_fieldNames [ i ] ) ; } result . append ( ")" ) ; return result . toString ( ) ; }
return a textual description of this predictor term .
