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Re: st: data management problem


From   Nick Cox <njcoxstata@gmail.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: data management problem
Date   Mon, 19 Dec 2011 10:20:27 +0000

This was an allusion to

http://www.stata.com/support/faqs/data/anyall.html

Benjamin Volland was complimentary about

http://www.stata.com/support/faqs/data/members.html

but that doesn't seem to be the problem here.

Nick

On Fri, Dec 16, 2011 at 2:17 PM, Nick Cox <njcoxstata@gmail.com> wrote:

> There's an FAQ on such any and all problems.

On 16 Dec 2011, at 14:00, Richard Goldstein <richgold@ix.netcom.com> wrote:

>> one way: use -egen- with the "max" function; here is an example:
>>
>> egen atleastone=max(dummy_member_is_pensioner), by(hh_id)

On 12/16/11 8:44 AM, Ivica Rubil wrote:

>>> I have the first four variables in the table below in my dataset, and I
>>> wish to generate the fifth variable. This variable should be such that
>>> it is equal to 1 for all members of a particular household if there is
>>> at least one pensioner in this household. Below is the table with only
>>> two households one of which contains at least one pensioner and I wish
>>> to assign 1 to each member of this household. The other household
>>> doesn't contain any pensioner and I wish to assign 0 to each member of
>>> this household.
>>>
>>> How to do that???
>>>
>>>
>>>  hh_id  |   hh_member | dummy_member_is_pensioner  |
>>> dummy_hh_with_at_least_one_pensioner
>>>
>>> ------|-------------|----------------------------|----------------------
>>> ----------------
>>>    1   |    1        |      1                     |           1
>>>    1   |    2        |      1                     |           1
>>>    1   |    3        |      0                     |           1
>>>    1   |    4        |      0                     |           1
>>>    2   |    1        |      0                     |           0
>>>    2   |    2        |      0                     |           0
>>>    2   |    3        |      0                     |           0
>>>    ... |    ...      |     ...                    |          ...
>>>

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