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st: min and max with dates


From   Ana Gabriela Guerrero Serdan <ag_guerreroserdan@yahoo.com>
To   stata listserve <statalist@hsphsun2.harvard.edu>
Subject   st: min and max with dates
Date   Mon, 8 Oct 2007 08:55:08 -0700 (PDT)

Dear all, 

I have a very basic question but I havent find the
date commands when I only have day and month. 

I have information on interviews carried out and want
to know the range of interview per province (CODE), so
I want to calculate the min and max of the dates
within each province. 


. list  CODE Date1 Date2 Date3 

      +-------------------------------+
      |    CODE   Date1 Date2 Date3   |
      |-------------------------------|
   1. |     01     2704               |
   2. |     01     2704   3004        |
   3. |     01     2704         1505  |
   4. |     01     2505               |
   5. |     01     2605               |
      |-------------------------------|
   6. |     02     2705   0106        |
   7. |     02     2805    0606       |

etc.. 

Can anyone help? 

thanks, 
Gaby  




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