The difference has to do with the way zero-values are used in both programs.
You can also try ineqdeco and ineqdec0, this last one specifically design to
take into account zero-values. Both are available from the ssc files.
Best
----- Original Message -----
From: "yumin sheng" <[email protected]>
To: <[email protected]>
Sent: Tuesday, January 06, 2004 5:24 PM
Subject: st: how to obtain Gini coefficients - rspread or inequal?
> Dear Fellow Stata List Subscribers,
>
> I have long benefited from reading the insightful
> contributions from so many of you. Meanwhile, I have a
> question regarding how to use Stata to construct a
> measure of economic inequality. I have regional-level
> average per capita GDP data for a country for about 20
> years and I want to see how the regions differ from
> each other in level of economic wealth. A natural step
> forward seems to be calculating the Gini coefficients
> using regional level data. Somehow, however, I noticed
> that using the command -rspread- in Stata gives me
> different results for Gini from using the command
> -inequal-. There might be other similar commands that
> give still different output. I am just wondering which
> command I should use. Thanks so much in advance!
>
> All the best for the new year,
>
> Yumin
>
>
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