求助 倾向得分匹配时 出现如下问题 求帮助 急求 解决了送论坛币5个

求助 倾向得分匹配时 出现如下问题  
Note: S.E. for ATT does not take into account that the propensity score is estimated.
Note: S.E. for ATT does not take into account that the propensity score is estimated.
Note: S.E. for ATT does not take into account that the propensity score is estimated.
Note: S.E. for ATT does not take into account that the propensity score is estimated.
Note: S.E. for ATT does not take into account that the propensity score is estimated.
Note: S.E. for ATT does not take into account that the propensity score is estimated.
Note: S.E. for ATT does not take into account that the propensity score is estimated.


怎么解决这个问题  我现在做最近邻匹配时遇到的问题
无法进行下去了
求帮助 急求  解决了送论坛币5个