Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Creating household id for groups of persons


From   Friedrich Huebler <fhuebler@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Creating household id for groups of persons
Date   Wed, 6 Jul 2011 07:50:57 -0400

Hans,

I would add one more question: How do you know that the persons with
contract numbers 123, 456 and 678 live in the same household? Do you
have another variable that you are not showing us that contains this
information?

Friedrich

On Wed, Jul 6, 2011 at 7:27 AM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> How do you know that the resulting groups would be disjoint?
>
> Nick
> n.j.cox@durham.ac.uk
>
> Hans Meier
>
> No, I wished it was that easy.
>
> With
> egen group = group(contract)    you get:
>
>  contract |    id       |  household_id
> ___________________________
>  123        |   1        |   1  <-
>  123        |   2        |   1
>  123        |   3        |   1
>  456        |   4        |   2
>  456        |   5        |   2
>  678        |   1        |   3  <-
>
> As you can see, now id "1" has two different household id's, "1" at contract "123" and "3" at contract "678".
>
> But I want to put all id's who are connected in any contract in the same household, so that the household_id in contract "678" is also "1", because id "1" already belongs to household "1" from contract "123".
>
> Maybe an example makes it clearer:
>
> Imagine contract "123" beeing a liability-insurance for a mother, father and child (id's 2, 1 and 3), who are household 1.
> The father (id 1) also has a car insurance (contract 678), and of course this contract also belongs to household 1.
>
> But anyway, thank you for your fast reply!
>
> Von: "Nick Cox" <njcoxstata@gmail.com>
>
>>If I understand this correctly, -contract- is already such an
>>identifier. You can use
>>
>>egen group = group(contract)
>>
>>to get a tidy equivalent with values 1 up.
>>
>>Nick
>>
>>On Wed, Jul 6, 2011 at 8:23 AM, Hans Meier <mr.hans.meier@web.de> wrote:
>>
>>> I'm trying to create an id-variable for groups of persons.
>>>
>>> My data looks like this:
>>>
>>>
>>> contract |    id
>>> ___________
>>> 123        |   1
>>> 123        |   2
>>> 123        |   3
>>> 456        |   4
>>> 456        |   5
>>> 678        |   1
>>>
>>> There are different insurance-contracts, and many people (id's) can be part of one contract.
>>>
>>> Now I need a household id, which groups the people who have contracts together, like this:
>>>
>>>
>>> contract |    id       |  household_id
>>> ___________________________
>>> 123        |   1        |   1
>>> 123        |   2        |   1
>>> 123        |   3        |   1
>>> 456        |   4        |   2
>>> 456        |   5        |   2
>>> 678        |   1        |   1
>>>
>>> The problem is, as you can see in my example, that its's not always the same people having contracts together, like id "1" has the contract "678" alone, but he belongs to household_id "1".
>>>
>>> How can I create this household id?

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index