public String printLeafModels(){
  StringBuffer text=new StringBuffer();
  if (m_isLeaf) {
    text.append("\nLM num: " + m_leafModelNum);
    text.append(m_nodeModel.toString());
    text.append("\n");
  }
 else {
    text.append(m_left.printLeafModels());
    text.append(m_right.printLeafModels());
  }
  return text.toString();
}

public String printLeafModels ( ) { StringBuffer text = new StringBuffer ( ) ; if ( m_isLeaf ) { text . append ( "\nLM num: " + m_leafModelNum ) ; text . append ( m_nodeModel . toString ( ) ) ; text . append ( "\n" ) ; } else { text . append ( m_left . printLeafModels ( ) ) ; text . append ( m_right . printLeafModels ( ) ) ; } return text . toString ( ) ; }
print all leaf models
