jialin3105 发表于 2013-1-23 08:15 
Come on!p=0.4 here means that ur model is good enough and don't need to be improved.
Jia Lin3105 Thank you very much for your help and useful explanation in it !
And could you tell me what is the watershade or standard crirerion for model between need to be improved
and perfect enough ?
Thanks in advance.