Re: st: Displaying ttest results

["Yvonne Capstick" <yvonnecapstick@hotmail.com>]

thanks Fred! I'm embarrassed that the solution was so simple.
yc


> From: Fred Wolfe <fwolfe@arthritis-research.org>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: Displaying ttest results
> Date: Sat, 19 Aug 2006 09:13:41 -0500
>
> This comes up often enough that Stata should fix the output display. But 
> until that time make the following change:
>
> foreach var in var1 var2 var3 var4 ... {
>    di "`var'"
>   ttest `var', by(group)
> }
>
> At 08:47 AM 8/19/2006, you wrote:
>
> > Hi,
> >
> > i am using ttest to test the equality of variables across a group, i.e.
> >
> > foreach var in var1 var2 var3 var4 ... {
> >    ttest `var', by(group)
> > }
> >
> > When it displays the results for each variable, it gives the standard 
> > ttest table (see below) without mentioning the variable it refers to. Of 
> > course, I can figure it out by counting which table it is in the list 
> > (i.e. if it's the 13th table, it must be testing equality of the 13th 
> > variable) but is there a smart way to do it so that it lists the variable 
> > being tested in the table header?
> >
> > Thanks,
> > YC
> >
> > Two-sample t test with equal variances
> > ------------------------------------------------------------------------------
> >   Group |     Obs        Mean    Std. Err.   Std. Dev.   [95% Conf. 
> > Interval]
> > ---------+--------------------------------------------------------------------
> >       0 |    6713    .0121423    .0010673    .0874496      .01005
> > .0142346
> >       1 |    5748    .0029847    .0010272    .0778774     .000971
> > .0049984
> > ---------+--------------------------------------------------------------------
> > combined |   12461    .0079181    .0007462    .0832931    .0064555
> > .0093807
> > ---------+--------------------------------------------------------------------
> >    diff |            .0091577    .0014946                 .006228
> > .0120874
> > ------------------------------------------------------------------------------
> >    diff = mean(0) - mean(1)                                      t =
> > 6.1271
> > Ho: diff = 0                                     degrees of freedom =
> > 12459
> >
> >    Ha: diff < 0                 Ha: diff != 0                 Ha: diff > 
> > 0
> > Pr(T < t) = 1.0000         Pr(|T| > |t|) = 0.0000          Pr(T > t) = 
> > 0.0000
> >
> > _________________________________________________________________
> > Is your PC infected? Get a FREE online computer virus scan from McAfee� 
> > Security. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963
> >
> > *
> > *   For searches and help try:
> > *   http://www.stata.com/support/faqs/res/findit.html
> > *   http://www.stata.com/support/statalist/faq
> > *   http://www.ats.ucla.edu/stat/stata/
>
> Fred Wolfe
> National Data Bank for Rheumatic Diseases
> Wichita, Kansas
> Tel +1 316 263 2125
> fwolfe@arthritis-research.org
>
>
>
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
_________________________________________________________________
On the road to retirement? Check out MSN Life Events for advice on how to 
get there! http://lifeevents.msn.com/category.aspx?cid=Retirement

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/