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| From | Richard Goldstein <richgold@ix.netcom.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: tukey/dunnett procedures |
| Date | Wed, 15 Jun 2011 08:57:55 -0400 |
thanks to both Steve and Roger -- Rich On 6/14/11 9:57 PM, Steven Samuels wrote: > > Rich- > > > In Theresa Boswell's dunnett.ado (-findit-), there is a section: > > /* Call oneway and save mse and df */ > qui oneway `resp' `fact' if `touse',missing > local mse = r(rss)/r(df_r) > local df = r(df_r) > > If you can substitute the proper values of the MSE and degrees of freedom from your nested ANOVA command and meet the other requirements of -dunnett- (e.g. equal numbers per group), I think that will do it. Perhaps you can supply the same numbers to -princomp- or -smileplot-. > > Steve > > Steven J. Samuels > Consultant in Statistics > 18 Cantine's Island > Saugerties, NY 12477 USA > Voice: 845-246-0774 > Fax: 206-202-4783 > samplerx@earthlink.net > > > On Jun 14, 2011, at 10:49 AM, Richard Goldstein wrote: > > hi, > On Jun 14, 2011, at 2:47 PM, Roger Newson wrote: > > I think you'll find that the Dunnett multiple-test procedure is really the Sidak multiple-test procedure. This is available using the -smileplot- package, downloadable from SSC. And the corresponding frequentist q-values are available from the -qqvalue- package, also downloadable from SSC. > > I hope this helps. > > Best wishes > > Roger > > > Roger B Newson BSc MSc DPhil > Lecturer in Medical Statistics > Respiratory Epidemiology and Public Health Group > National Heart and Lung Institute > Imperial College London > Royal Brompton Campus > Room 33, Emmanuel Kaye Building > 1B Manresa Road > London SW3 6LR > UNITED KINGDOM > Tel: +44 (0)20 7352 8121 ext 3381 > Fax: +44 (0)20 7351 8322 > Email: r.newson@imperial.ac.uk > Web page: http://www.imperial.ac.uk/nhli/r.newson/ > Departmental Web page: > http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/ > > Opinions expressed are those of the author, not of the institution. > > On 14/06/2011 15:49, Richard Goldstein wrote: >> hi, >> >> I am looking for any programs, or advice, on doing post-hoc Tukey and >> Dunnett procedures in Stata following a nested ANOVA command >> >> I am familiar with Gleason's -prcomp- command but it cannot handle nesting >> >> thanks, >> >> Rich * * 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/