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From |
"Nick Cox" <[email protected]> |

To |
<[email protected]> |

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

Date |
Wed, 27 Jan 2010 15:42:22 -0000 |

I don't think that helps with >2 categories. What is wrong with the common-or-garden chi-square test as under -tabulate-? Nick [email protected] Martin Weiss help prtest Jen Zhen I have a summary table with members from (1) the treatment group and (2) the control group of an experiment, and would like to provide for each observable variable a formal test for whether the two sets of people come indeed from the same population. For the continuous normal variables, I am just doing a t-test to test for equality of means, but I'm not fully sure what to do instead for the categorical variables (with more than 2 categories). I found the -csgof- command for a Chi-Square test of whether the proportions of the different categories in one sample correspond to those coming from some hypothesis, but which command would you use to test whether the proportions in the two groups are identical? * * 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/

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