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| From | Nick Cox <njcoxstata@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: Testing for association |
| Date | Mon, 26 Mar 2012 15:23:48 +0100 |
-chitest- and -chitesti- in -tab_chi- from SSC Nick On Mon, Mar 26, 2012 at 3:15 PM, Shittu, Aminu <ameen_vet@yahoo.com> wrote: > Any Stata command for that, based on my data? From: Nick Cox <njcoxstata@gmail.com> > If you have a theory that says (e.g.) AA genotype should have fraction > p positive and fraction (1 - p) negative, then that can be tested. It > is testable e.g. by another chi-square test. On Mon, Mar 26, 2012 at 2:20 PM, Shittu, Aminu <ameen_vet@yahoo.com> wrote: > I have a genotype variable with 3 levels (AA, AC and CC); is there a > way of testing for individual association of each genotype with the > response variable ulcer status (positive and negative) of a patient? > They are recorded in 2 separate columns though. I used "tab > ulcerstatus genotype, col chi" and got the overall chi2 and p-value. * * 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/