Now it works fine! thanks again!
Eka
> The code looks good. Perhaps the data is not quite as it should be.
> If you want to keep all the data, then you can still segregate the
> spouses.
> In your family of 5, I guess this
> spouse1 spouse2
> 1 1 .
> 2 . .
> 3 . 3
> 4 . .
> 5 . .
> gen not_spouse = !((spouse1 < .) | (spouse2 < .))
> bysort site family (not_spouse) : gen partner_income = personal[3 - _n]
> if !not_spouse
> There are two states to not_spouse. not_spouse is true (1) if somebody
> is not a spouse and false (0) if somebody is.
> Sorting on -non_spouse- within a family sorts all the 0s to the first
> observations in each family.
> Your set-up may differ, but something like this should still be
> workable.
> Nick
> [email protected]
> Ekaterina Selezneva
> for me your solution with "[3 - _n]" is the most elegant and most
> easily understood.
> But how to handle the situation if I have data on all the household
> members, and let's say, I want to keep them all. I have two variables
> identifying a couple within each household: "spouse1" and "spouse2"..
> so, if
> there is a household composed of 5 members, and N1 and N3
> are married, then spouse1=1 and spouse2=3.
> I would do something like
> #delimit;
> bysort site censusd family : gen partner_income = personal[spouse1]
> if person==spouse2;
> bysort site censusd family : replace partner_income =
> personal[spouse2] if person==spouse1;
> it works fine if both partners are present in the sample, but if only
> one is in, the partner_income variable is replaced sometimes with the
> individual
> income of the individual and sometimes with the missing value.
> What could be wrong with the code?
> Thursday, May 15, 2008, 4:24:34 PM, you wrote:
>> Using the same assumption of a Noah's ark situation in which everyone
> is
>> paired off, with no dependents, in-laws, etc., there are other minor
>> variations on Scott's theme.
>> bysort site family: gen partner_income = cond(_n == 1, personal[2],
>> personal[1])
>> bysort site family: gen partner_income = personal[3 - _n]
>> I am fond of the second. If it looks puzzling, just go through the two
>> cases. If _n is 1, then 3 - _n is 2, and vice versa.
>> The key underlying principle, if it is not familiar, is that under
> -by:-
>> _n is interpreted within groups, not within the entire dataset. There
> is
>> a leisurely tutorial
>> at
>> <http://www.stata-journal.com/sjpdf.html?articlenum=pr0004>
>> N.B. this is in the public domain.
>> Nick
>> [email protected]
>> Scott Merryman
>> What defines a partner? Someone within the same two-person family?
>> Perhaps something like this:
>> clear
>> input site family person personal_labor_income
>> 1 1 1 2000
>> 1 1 2 2300
>> 1 2 1 200
>> 1 2 3 3000
>> 2 10 4 3400
>> 2 10 5 3500
>> end
>> bysort site family : gen partner_income = cond(_n ==1,
>> personal[_n+1],personal[_n-1])
>> Ekaterina Selezneva
>>> I have a dataset with some information on a sample of married
>>> couples. For identifying a single person, one needs to know a
>>> "site"-number, "family"-number withing the site, and then the
>>> "person"-number within the family. As this is a subsample of some
>>> bigger dataset, so not all sites/families/persons are presented in
>>> it. Let's say, something like:
>>>
>>> site family person personal_labor_income
>>> 1 1 1 2000
>>> 1 1 2 2300
>>> 1 2 1 200
>>> 1 2 3 3000
>>> 2 10 4 3400
>>> 2 10 5 3500
>>>
>>> THE PROBLEM: I need to create a variable containing the "personal
>>> labor income" of partner.
>>>
>>> Unfortunately, I've spent a day, and havn't
>>> succeded to solve this seemingly simple problem. I will be grateful
>> for
>>> any hints.
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--
Best regards,
Ekaterina mailto:[email protected]
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