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| From | "Nick Cox" <n.j.cox@durham.ac.uk> |
| To | <statalist@hsphsun2.harvard.edu> |
| Subject | RE: st: RE: bcskew0 transform back |
| Date | Tue, 18 May 2010 17:55:45 +0100 |
This seems doubly problematic. The fact is that -bcskew0- entails estimation of a parameter. I don't know how that meshes with the imputation. It sounds as if you should be doing that on each imputed dataset. Using the same constant on all sounds wrong. Others can improve on my visceration. Personally I think the whole Box-Cox methodology, despite its splendid name, to be very oversold. -ice- is a user-written program from .... Nick n.j.cox@durham.ac.uk raoul reulen I failed to mention that I am using the transformed variable in a multiple imputation model (using ice) and impute missing values. After the imputation I then want to transfer the imputed variable back. * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/