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Re: st: RE: Gini coefficient for spatial data


From   Francisco Rowe <frowe@ucn.cl>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Gini coefficient for spatial data
Date   Wed, 23 May 2012 09:38:42 +1000

OK. Thanks again.

On 23/05/2012, at 9:04 AM, Nick Cox wrote:

> None of the commands know what they are receiving. The calculations
> are the same for areal data as for as data on individuals.
> 
> Nick
> 
> On Tue, May 22, 2012 at 11:49 PM, Francisco Rowe <frowe@ucn.cl> wrote:
>> Thanks Nick.
>> 
>> Well, I rephrase my question: Can I apply the existing Stata commands -e.g. ineqdeco, inequal, sgini- to calculate the Gini coefficient using spatial data? All of the commands I mentioned seem to require as input micro data.
>> 
>> What I want is to measure the degree of concentration/dispersion of different variables at the different geographical scales.
>> 
>> Francisco.
>> 
>> 
>> On 23/05/2012, at 12:40 AM, Nick Cox wrote:
>> 
>>> Ignorance is a condition treatable by computer searching.
>>> 
>>> I don't know that Gini coefficients are defined differently for spatial data. However, last time I looked seriously, the name "Gini coefficient" had been applied to about four quite different measures, so you might need to say which you have in mind.
>>> 
>>> More positively, -findit gini- might find what you want. Note that most if not all of the Stata functionality in this territory is user-written.
>>> 
>>> Nick
>>> n.j.cox@durham.ac.uk
>>> 
>>> Francisco Rowe
>>> 
>>> An ignorant question: I would like to know how can I compute a Gini coefficient using spatial data, for example regional unemployment rates?
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