如题，，，

在运行程序后 出现了
WARNING: The range of variable SIZE is so small relative to its mean that there may be loss of accuracy in the computations.
         You may need to rescale the variable to have a larger value of RANGE/abs(MEAN), for example, by using PROC STANDARD
         M=0;
NOTE: 上述消息是针对下列 BY 组的:
      证券代码=000030



有人推荐我使用winsor  只是不知道大概如何运行