Based on the Kullback-Leibler distance and information distance, we propose influence measures for model perturbations and explanatory variables in regression models.

• 本文从Kullback-Leibler距离及信息距离出发；提出了回归模型中常见的3种扰动方式；即删除模型、均值漂移模型和方差加权模型的影响度量；同时还讨论了自变量的影响度量.