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From | Mikkel Brabrand <mikkel@brabrand.net> |
To | "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |
Subject | Re: st: Calculation of cubic splines |
Date | Thu, 19 May 2011 16:35:33 +0200 |
Thank you all, you have - again - been most helpful! Mikkel Den 19/05/2011 kl. 16.29 skrev Maarten Buis: > On Thu, May 19, 2011 at 4:21 PM, Mikkel Brabrand <mikkel@brabrand.net> wrote: >> But is predict not a post estimation command? How can I then use the same weights? Sorry if this is a stupid question but I have spend a frustrating looooong time on this! > > You estimate your model on your original dataset, than you open your > new dataset, create the splines, and predict. -predict- does not know > or care whether you use the same data that where used for estimating > the model. I make this sound as an convenient error in Stata, but it > is actually a feature. (Or it was an error that turned out to be so > useful that someone at StataCorp decided that "yeah, we meant to do > that". We'll never know...) > > -- Maarten > > -------------------------- > Maarten L. Buis > Institut fuer Soziologie > Universitaet Tuebingen > Wilhelmstrasse 36 > 72074 Tuebingen > Germany > > > http://www.maartenbuis.nl > -------------------------- > * > * 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/ * * 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/