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Re: st: comparing groups with categorical variables


From   Austin Nichols <austinnichols@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: comparing groups with categorical variables
Date   Tue, 23 Mar 2010 13:33:00 -0500

Ariel Orson <ariel.oial@gmail.com> :
Make dummies for each of the three categories, and tab versus each.

On Tue, Mar 23, 2010 at 1:29 PM, Ariel Orson <ariel.oial@gmail.com> wrote:
> Thanks to you both. It's my fault that I wasn't being clear. It's
> actually more complex than that.
>
> Rephrase: comparing three groups on the dimension of not one, but
> multiple attributes: media preference, political preference, religion
> etc. All data are collected through questionnaires and replicated
> bootstrap weights are used in tabulations. I tabulate each attribute
> separately. At the "svy:tab" command for each attribute, Stata outputs
> tabulations with uncorrected/design-based Pearson. But my aim is to
> find whether among the three groups (one of the groups is the base
> group), the two other groups each are different from the base group.
>
> Thanks in advance,
> Ariel
>
> On Tue, Mar 23, 2010 at 12:15 PM, Jeph Herrin <junk@spandrel.net> wrote:
>> In addition to Maarten's hint, you might try
>>
>>  -help tabulate twoway-
>>
>> hth,
>> Jeph
>>
>>
>> Maarten buis wrote:
>>>
>>> --- On Tue, 23/3/10, Ariel Orson wrote:
>>>>
>>>> How do I compare groups with categorical variables?
>>>> Say I have three groups: men, women and children. I have
>>>> data on whether their favorite choice of media is book,
>>>> newspaper, TV or film.
>>>> How do I test whether their tastes are statistically
>>>> different from each other with Stata?
>>>
>>> Sounds like a homework question to me, so I will
>>> only give a hint:
>>>
>>> -help mlogit- in combination with -help test-

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