I would like to thank everyone for the helpful responses to my posting. I
had multiple imputation in mind -- so, I guess that my original
understanding that Y should be used in imputing Z was correct.
Thanks again,
cd
________________________________________________________________
Constantine Daskalakis, ScD
Assistant Professor,
Biostatistics Section, Thomas Jefferson University,
125 S. 9th St. #402, Philadelphia, PA 19107
Tel: 215-955-5695
Fax: 215-503-3804
Email: [EMAIL PROTECTED]
Webpage: http://www.kcc.tju.edu/Science/SharedFacilities/Biostatistics
