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From | Fernando Rios Avila <f.rios.a@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: mean difference test. |
Date | Fri, 14 Sep 2012 15:40:19 -0400 |
Thanks a lot. On Fri, Sep 14, 2012 at 12:11 PM, Steve Samuels <sjsamuels@gmail.com> wrote: > > Compare Sample B to the rest of A. This is equivalent to comparing > B with all of A. There is an example in point 1 of: > http://www.stata.com/statalist/archive/2008-09/msg00869.html > > Steve > > On Sep 14, 2012, at 10:22 AM, Fernando Rios Avila wrote: > > Dear Statalisters, > I wonder if anyone can point out what would be the appropriate test for > testing the mean differences of two samples (A and B), when Sample B is a > subsample of Sample A. > The context for this is to evaluate the severity of missing information in > sample B. > I ve been using a simple -ttest- , but it came to my attention that it > requires independent samples, which by construction is not the case in my > problem in hand. > thank you. > Fernando > * > * 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/ * * 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/