Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: mean difference test.
From
Fernando Rios Avila <[email protected]>
To
[email protected]
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 <[email protected]> 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/