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Re: st: Re: Generating comparison/contingency tables

Subject   Re: st: Re: Generating comparison/contingency tables
Date   Mon, 1 Jun 2009 14:45:03 -0400

The ratio of the standard errors is the square root of n/(n-1).   Also
-svy: mean- and, hence, -tabout-, but not -ci-,  will use the t
distribution, not the Gaussian, although that will make little

 and the default confidence interval for -ci- is the

On Mon, Jun 1, 2009 at 1:09 PM, Tomas M >
> I compared the 95% confidence intervals with the tabout command and the -ci- command, but they do not match.  They are off by a few decimal places.  This, accordingly, leads to confidence intervals that are off by a few decimal places as well.
> Does anyone know why, or how the confidence intervals are calculated for each command?
> Thank you!
> Example:
> sysuse nlsw88,clear
> svyset _n
> tabout south coll using table3.txt, replace c(row se ci) f(1 5 3) clab(Row_% 95%_CI)  svy npos(lab) per
> by south, sort: ci coll
> E.g.
> with -tabout-: SE==1.18430, CI=21.834-26.478
> with -ci-: SE==1.18449, CI=21.75603-26.40348

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