没有特定的方法,(1)取ln, 如果有意义的话;(2)减小此outlier's size but keep the same sign. how much should you decrease this observation can be arbitrary. you can try differnent choice until the numerical optimization tend to be stable if u need numerical optimization at all.
[此贴子已经被作者于2007-3-18 6:57:01编辑过]