WARNING: The range of variable shares is too small relative to its mean for use in the computations. The variable will be
         treated as a constant.
         If it is not intended to be a constant, you need to rescale the variable to have a larger value of RANGE/abs(MEAN),
         for example, by using PROC STANDARD M=0;

回归步骤后的warning

这个该怎么办？

以及总是弹出来 window full 是不是和这个有关

这个类似的warning能够出现一大排