Eric Fail <[email protected]> :
See the FAQ at:
http://www.stata.com/support/faqs/data/members.html
but also try:
bys year (id): assert id==_n
if _rc fillin year id
bys year (id): g sp_age=age[spouse_id]
On Fri, Oct 16, 2009 at 3:25 PM, Eric Fail <[email protected]> wrote:
> Dear all
>
> After hours of reading and fiddling around I allow myself to write on the Statalist in the
> hope that someone out there will take the time to help me.
>
> What I want to do seem quite simple but I just can’t figure it out.
>
> I simply want to take the age of one spouse and attach it to its matching spouse by id, so I
> get a spouse_age at each observation.
>
> I have read this thread http://www.stata.com/statalist/archive/2002-07/msg00124.html where the
> case is family’s, but as I don’t have continues id’s that tips doesn’t seem to work in my
> case. Furthermore I have read Nicholas J. Cox’ Stata tip 51: Events in intervals. But I must
> admit that I couldn’t figure it out from that description either. So now I try my luck here at
> the Statalist.
>
> I have a dataset like the one below, except the ‘goal_spouse_age’, that’s the variable I want
> to create.
>
>
> clear
> input str17 date year id spouse_id age goal_spouse_age
> "01/01/2000" 2000 1 4 40 19
> "01/01/2001" 2001 1 4 41 20
> "01/01/2002" 2002 1 5 42 40
> "01/01/2000" 2000 2 6 24 24
> "01/01/2001" 2001 2 7 25 40
> "01/01/2000" 2000 3 8 20 16
> "01/01/2001" 2001 3 8 21 17
> "01/01/2002" 2002 3 11 22 44
> "01/01/2003" 2003 3 4 23 22
> "01/01/2000" 2000 4 1 19 40
> "01/01/2001" 2001 4 1 20 41
> "01/01/2002" 2002 5 1 40 42
> "01/01/2000" 2000 6 2 24 24
> "01/01/2001" 2001 7 2 40 25
> "01/01/2000" 2000 8 3 16 20
> "01/01/2001" 2001 8 3 17 21
> "01/01/2002" 2002 11 3 44 22
> "01/01/2003" 2003 4 3 22 23
> End
>
> Can anyone tell me what to do or what I should read to figure this out?
>
> I have managed to count the numbers of spouse each observation has, by using the loop below,
> thanks to Nicholas J. Cox’ description the thread mention above.
>
> local N = _N
> forvalues i = 1/`N' {
> egen tag = tag(spouse_id) ///
> if id == id[`i']
> count if tag
> replace count = r(N) in `i'
> drop tag
> }
>
> The next thing I need to do is to measure the length of the first two or three marriages the
> observations have had. I mention this even I haven’t work very much on this part in the hope
> that one of you guys out there have had s similar case or can direct me to somewhere where I
> can read more about the specific case with events accruing over a time span.
>
> Thanks in advance.
>
> Eric Fail
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