Kristin J. Kleinjans wrote:
> this is a question from a beginner - I am making tables with crosstabs
> using 'tabulate', but would like to get the standard errors instead of the
> standard deviations. I am using Stata 8SE.
I suspect that you use -tabulate- with the -summarize- option, but there is no
solution within that framework for your problem.
However, -tabstat- allows the calculation of standard-errors of means for
groups defined by one dimension:
. sysuse auto
. tabulate for, sum(trunk)
. tabstat trunk, by(for) s(mean sd semean)
If you want more dimensions the situation will be different. I usually apply
something in the line of
. collapse (mean) mtrunk=trunk (sd) sdtrunk=trunk (count) ntrunk=trunk, by(for
rep78)
. gen setrunk = sdtrunk/sqrt(ntrunk)
. list for rep mtrunk setrunk
many regards
uli
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