Re: st: dumb cross-tab question

["E. Paul Wileyto" <epw@mail.med.upenn.edu>]

Thanks.  Your example is the sort of solution that I came up with. 
It's a script I'll be needing in a general way, so I'll probably turn it 
into an ado file.

P

Maarten buis wrote:

> --- "E. Paul Wileyto" <epw@mail.med.upenn.edu> wrote:
>   
> > Is there a quick way to get Stata to format a two-way table showing 
> > means, SEs, and CIs for a third variable?
> >
> > tabulate summarize doesn't seem to do SEs and CIs
> >
> > tabstat gets angry if I try to give it two by variables.
> >     
> Nick gave some code, and I too was busy along his line, with a slightly
> different twist: 
> *---------------- begin example -------------------------
> sysuse auto, clear
> preserve
> collapse (mean) mean=mpg (sd) sd=mpg (count) N=mpg ///
>          if !missing(rep78,foreign), by(foreign rep78) 
> gen se = sd/sqrt(N)
> gen df = N-1
> gen lb = mean - invttail(df,0.025)*se
> gen ub = mean + invttail(df,0.025)*se
> drop sd N df
> reshape wide mean se lb ub, i(rep78) j(foreign)
> mkmat mean0-ub1, matrix(table) rownames(rep78)
> matrix colnames table = domestic:mean domestic:se domestic:lb  ///
>                         domestic:ub foreign:mean foreign:se    ///
>                         foreign:lb foreign:ub
> matlist table, format(%9.2f) rowtitle("repair record") tw(13)
> restore
> *------------------- end example -----------------------------
> (For more on how to use examples I sent to the Statalist, see
> http://home.fsw.vu.nl/m.buis/stata/exampleFAQ.html )
>
> -- Maarten
>
> -----------------------------------------
> Maarten L. Buis
> Department of Social Research Methodology
> Vrije Universiteit Amsterdam
> Boelelaan 1081
> 1081 HV Amsterdam
> The Netherlands
>
> visiting address:
> Buitenveldertselaan 3 (Metropolitan), room Z434
>
> +31 20 5986715
>
> http://home.fsw.vu.nl/m.buis/
> -----------------------------------------
>
>
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--
E. Paul Wileyto, Ph.D.
Assistant Professor of Biostatistics
Tobacco Use Research Center
School of Medicine, U. of Pennsylvania
3535 Market Street, Suite 4100
Philadelphia, PA  19104-3309

215-746-7147
Fax: 215-746-7140
epw@mail.med.upenn.edu
http://mail.med.upenn.edu/~epw/ 
*
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