Marisa,
This is a FAQ: What do I do when one of the survey estimators returns
an error message, "stratum with only one PSU detected"?
http://www.stata.com/support/faqs/stat/stratum.html
Friedrich Huebler
--- Marisa Wilson <[email protected]> wrote:
> Dear List:
>
> I have a perplexing dilema that someone on this list may have
> encountered before. I am using National Health Interview Survey
> (NHIS)
> data for a secondary data analysis for my dissertation. I need to
> run
> several logisitic regressions. The data that I need is actually a
> subsample of the total data set (those 65 years of age and over and
> with
> at least on functional limitation).
>
> I have the entire data set in Stata (all 97,000 or so respondents -
> all
> ages and functional limitations). I tried to run the first
> logistic
> regression (SVYLOGIT) after doing SVYSET. I put in an IF
> statement so
> that the analysis would be done on only those 65 yrs of age and
> over and
> with at least 1 functional limitation. I get "stratum with only
> one PSU
> detected
> r(460)". I loaded the entire data set from the go get because I
> was
> getting this error with the subpopulation.
>
> Any suggestions as to how I can run SVYLOGIT on only those people
> 65 +
> and with atleast on functional limitation and not get thos error?
__________________________________
Do you Yahoo!?
Y! Messenger - Communicate in real time. Download now.
http://messenger.yahoo.com
*
* 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/
