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Re: st: Computing proportions within generated reference groups


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Computing proportions within generated reference groups
Date   Tue, 30 Aug 2011 16:11:30 +0100

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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