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From |
"Joseph Coveney" <[email protected]> |

To |
<[email protected]> |

Subject |
Re: st: Which command to test whether proportions of categories are the same in two sets of people? |

Date |
Sat, 30 Jan 2010 10:21:41 +0900 |

Jen Zhen wrote: Many thanks for your replies, the Hotelling test seems to do a good job for what I want. One follow-up question though would be whether it might be even better to instead use (for both the continuous and the categorical, but ordered variable) a non-parametric test, like the Wilcoxon-Mann-Whitney test? Power is not an issue, as our sample is quite large... -------------------------------------------------------------------------------- He can correct me if I'm mistaken, but I believe Austin's point was to test everything once in one fell swoop rather than in a piecewise fashion. With the Wilcoxon-Mann-Whitney test (-ranksum-, see my earlier post in this thread), you'd still be testing one response variable at a time. Along Austin's suggestion, you can use -gllamm-, which can accommodate mixed response types (continuous, ordered-categorical) in a single multivariate model, or, if you'd like to stick with a nonparametric test, then take a look at -mv2snp-, which is a user-written multivariate nonparametric two-sample test that you can download and install from SSC (-net stb 42 snp14-). Joseph Coveney * * 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/

**Follow-Ups**:

**References**:**st: Which command to test whether proportions of categories are the same in two sets of people?***From:*Jen Zhen <[email protected]>

**Re: st: Which command to test whether proportions of categories are the same in two sets of people?***From:*Austin Nichols <[email protected]>

**Re: st: Which command to test whether proportions of categories are the same in two sets of people?***From:*Jen Zhen <[email protected]>

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