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
difference.
-Steve
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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