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Re: st: Computing proportions within generated reference groups


From   Namrata Chindarkar <namrata.chindarkar@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Computing proportions within generated reference groups
Date   Tue, 30 Aug 2011 11:18:38 -0400

Thank you for your responses.

A reference group is generated by year, country, age category, and
education category

egen group = group(year country age_cat edu_cat)

Each individual is an observation in one of the reference groups. No
individual belongs to more than one reference group.

Namrata

On Tue, Aug 30, 2011 at 11:11 AM, Nick Cox <njcoxstata@gmail.com> wrote:
> No; it is most unlikely that you need to write a Stata program to do this.
>
> It is an application of -by:- and -sum()- and likely to be about two
> lines of code.
>
> To suggest good code I would need to know more about how that
> individual is defined.
>
> Nick
>
> On Tue, Aug 30, 2011 at 3:54 PM, Namrata Chindarkar
> <namrata.chindarkar@gmail.com> wrote:
>
>> I have created reference groups in my dataset using -egen- and now
>> want to compute proportions within those groups for certain variables.
>> For instance, for the income variable, I want to compute the
>> proportion of individuals that have income greater than income of
>> individual "i" in each reference group. As an example if group1 has 5
>> individuals with incomes 30, 20, 10, 60, and 70 respectively, I want
>> to be able to get values 0.4, 0.6, 0.8, 0.2, and 0 respectively.
>> Any suggestions on how to write a STATA program to compute this?
>
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