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From |
Tirthankar Chakravarty <[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 |
Wed, 27 Jan 2010 21:17:48 +0530 |

I am not sure Ben Jann's excellent -mgof- (SSC) is able to do a two-group comparison, but it might be useful to access an exact Kolmogorov-Smirnov test applicable to categorical variables. See also the packages cited in the help file for -mgof-. T On Wed, Jan 27, 2010 at 9:04 PM, Jen Zhen <[email protected]> wrote: > Hi there, > > 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? > > Thanks, > J > * > * 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/ > -- To every ω-consistent recursive class κ of formulae there correspond recursive class signs r, such that neither v Gen r nor Neg(v Gen r) belongs to Flg(κ) (where v is the free variable of r). * * 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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