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Re: st: Count if binomial variable changes


From   Joe Dreyfus <joedreyfus@gmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Count if binomial variable changes
Date   Mon, 04 Jun 2012 22:36:58 +0200

Dear Austin and Nick,

Thanks for your helpful advice.

Cheers,
Joe

On 4/06/12 9:09 PM, "Austin Nichols" <austinnichols@gmail.com> wrote:

>Nick Cox <njcoxstata@gmail.com>, Joe Dreyfus <joedreyfus@gmail.com>:
>Better to use tabulate with a lagged variable.
>http://www.stata.com/statalist/archive/2011-04/msg01110.html
>
>On Mon, Jun 4, 2012 at 2:30 PM, Nick Cox <njcoxstata@gmail.com> wrote:
>> . help xttrans
>>
>> ???
>>
>> Nick
>>
>> On Mon, Jun 4, 2012 at 7:08 PM, Joe Dreyfus <joedreyfus@gmail.com>
>>wrote:
>>>
>>> Count if binomial variable changes
>>>
>>> I am using panel data and would like to count the number of
>>>individuals who
>>> have experienced a change in a binomial variable across 10 time
>>>periods.
>>> I.e. For individual i, at t =1 var =0, at t=2 var = 1. In addition I
>>>would
>>> like to know the direction of the change. How many individuals moved
>>>from 0
>>> to 1, and how many total observations are there? How many moved from 1
>>>to 0,
>>> and how many total observations are there?
>>>
>>> I am using Stata 12 for Mac
>
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