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Re: st: St: loop within a loop


From   Christopher Zbrozek <zbrozek@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: St: loop within a loop
Date   Tue, 30 Apr 2013 11:34:12 -0400

Nick is of course correct - my apologies!

On Tue, Apr 30, 2013 at 11:29 AM, Nick Cox <njcoxstata@gmail.com> wrote:
> Further, this is not a problem in nested loops; the loops are parallel.
> Nick
> njcoxstata@gmail.com
>
>
> On 30 April 2013 16:27, Nick Cox <njcoxstata@gmail.com> wrote:
>> Not so. Second time round the inner loop, -generate- will fail as
>> `varname' already exists.
>>
>> Also, eth = `mynum' needs to use == not =.
>> Nick
>> njcoxstata@gmail.com
>>
>>
>> On 30 April 2013 16:22, Christopher Zbrozek <zbrozek@gmail.com> wrote:
>>> Hi Adam,
>>>
>>> Something along these lines should work:
>>>
>>> foreach varname in "white" "black" "hispanic" "asian" "mixed" {
>>>     forvalues mynum = 1/5 {
>>>         gen `varname' = 0
>>>         replace `varname' = 1 if eth = `mynum'
>>>     }
>>> }
>>>
>>> Best,
>>> Christopher Zbrozek
>>>
>>> On Tue, Apr 30, 2013 at 11:17 AM, Adam Guerrero <adamgue@gmail.com> wrote:
>>>> Hello,
>>>>
>>>> I am trying to create a loop within a loop for the following block of
>>>> code (loop through variables white, black, hispanic, asian, and mixed
>>>> from values 1 to 5):
>>>>
>>>> replace white=1 if eth==1
>>>> generate black=0
>>>> replace black=1 if eth==2
>>>> generate hispanic=0
>>>> replace hispanic=1 if eth==3
>>>> generate asian=0
>>>> replace asian=1 if eth==4
>>>> generate mixed=0
>>>> replace mixed=1 if eth==5
>>>>
>>>> I know decode would be easier, but please consider responding to help
>>>> me out learning how to loop.
>>>>
>>>> I'm relatively new to Stata, so any suggestions would be very much appreciated.
>>>>
>>>> Thank you in advance,
>>>>
>>>> Adam Guerrero
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