�ngel:
Use parentheses in the -subpop- option. This is a peculiar feature of
the -subpop- syntax.
-Steve
subpop(if (p108_n<10))
On Aug 18, 2008, at 6:20 AM, �ngel Rodr�guez Laso wrote:
> Dear Statalisters,
>
> I'm working with Stata 9.2.
>
> I'm interested in obtaining the corrected chi square test for a
> distribution of two variables from a survey ('p108_n' and 'sexo'), but
> limiting the analysis to a selected group of values of p108_n (1 to
> 5). I've used the subpop command with the following result:
>
>
> svy, subpop(if p108_n<10):tab p108_n sexo , count nolabel format(%
> 11.1f)
> (running tabulate on estimation sample)
>
> Number of strata = 11 Number of obs
> = 12190
> Number of PSUs = 1266 Population size
> = 12189,962
> Subpop. no. of obs
> = 11733
> Subpop. size
> = 11834,102
> Design df
> = 1255
>
> ----------------------------------
> | sexo
> p108_n | 1 2 Total
> ----------+-----------------------
> 1 | 638,8 708,1 1346,9
> 2 | 581,3 726,2 1307,5
> 3 | 1968,3 2144,6 4112,9
> 4 | 2215,6 1926,3 4141,9
> 5 | 404,2 520,7 924,9
> 10 | 0,0 0,0 0,0
> |
> Total | 5808,2 6025,9 11834,1
> ----------------------------------
> Key: weighted counts
>
> Table contains a zero in the marginals.
> Statistics cannot be computed.
>
>
> Is there any way to get the chi square test I need without deleting
> the p108_n==10 individuals, I mean, keeping them for the calculation
> of the standard errors?
>
> Many thanks.
>
> �ngel Rodr�guez Laso
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
