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Re: st: event history analysis for multiple response and repeated events


From   fernando andrade <fandrade.stat@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: event history analysis for multiple response and repeated events
Date   Fri, 6 Mar 2009 16:19:15 -0500

Hi
i am new using stata, i am having problems with this simple loop uisng if.

gen grade=.

if cnt==484{
 replace grade = 1 if SC04Q01 == 1 & SC04Q02 == 1 & SC04Q03 == 1 &
SC04Q04 == 1 & SC04Q05 == 1 & SC04Q06 == 1 & SC04Q07 == 0 & SC04Q08 ==
0 & SC04Q09 == 0 & SC04Q10 == 0 &/// SC04Q11 == 0 & SC04Q12 == 0
  replace grade = 2 if SC04Q01 == 0 & SC04Q02 == 0 & SC04Q03 == 0 &
SC04Q04 == 0 & SC04Q05 == 0 & SC04Q06 == 0 & SC04Q07 == 1 & SC04Q08 ==
1 & SC04Q09 == 1 & SC04Q10 == 0 &///  SC04Q11 == 0 & SC04Q12 == 0
 replace grade = 3 if SC04Q01 == 0 & SC04Q02 == 0 & SC04Q03 == 0 &
SC04Q04 == 0 & SC04Q05 == 0 & SC04Q06 == 0 & SC04Q07 == 0 & SC04Q08 ==
0 & SC04Q09 == 0 & SC04Q10 == 1 &/// SC04Q11 == 1 & SC04Q12 == 1
}

the replace commands work well without the loop, it makes the
transformations in all the data set.
but i want to restrict the transformations to only those who have a
value of 484 in cnt.

any ideas why the loop is not working

thank you very much
fernando
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