Dear all: Recently, I began to do some research in genelized linear models with missing covariates. However, I don't have any real data set. Would you kindly send me a related data set for analysis. I will acknowledge all reply. Thanks a lot for help! sincerely yours, ---------------------------------- Dr. Hong tu Zhu Department of Statistics The Chinese Univeristy of Hong Kong Shatin, N.T. Hong Kong ---------------------------------- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%