Lastly, under misspecified prior assumption the Bayes estimator (BE) of regression coefficients are obtained, based on the loss matrix criterion and posterior Pitman closeness (PPC) criterion, it is compared with the least square estimator (LSE).

• 第三种情形，我们得到了在错误先验假定下回归系数的Bayes估计，并获得了在矩阵损失和后验Pitman Closeness(PPC)准则下Bayes估计相对与最小二乘(LS)估计的优良性。