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Re: st: matching children and parents


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: matching children and parents
Date   Wed, 12 Jun 2013 16:50:27 +0100

This is an attractive idea.  The restriction Jeph flags may not bite
hard as you should be able to use e.g. -egen, group()- to get unique
identifiers.


Nick
njcoxstata@gmail.com


On 12 June 2013 13:48, Jeph Herrin <stata@spandrel.net> wrote:
> The lookup problem is one I often run into in Stata. That is, retrieving a
> value for a variable using a (unique!) identifier from another.
>
> One solution I have used is to store the variable of interest in a matrix.
> If (!) your ID is a unique string, then you can
>
>   mkmat education, matrix(E) rownames(ID)
>   gen motheredu= el("E",rownumb("E",motherID),1)
>
>
> hth,
> Jeph
>
>
>
>
>
> On 6/12/2013 3:45 AM, Andrea Smurra wrote:
>>
>> Hello everyone.
>> I am dealing with a big household survey.
>> I am interested in child labor and education and my objective is to create
>> variables for each children representing parents or household'
>> characteristics.
>> In particular, for each children I created two variables specifying the
>> IDs of mother and father. Now I would like to create a  variable that, for
>> each children, specifies parents' education in the following way
>>
>> motheredu_i=education[motherID_i]
>>
>> where education is a variable already in the dataset
>>
>> I know a way to do this, but it is extremely time consuming and I was
>> wondering what would be the syntax to create the above "function".
>>
>> Thanks.
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