Re: st: St: loop within a loop

[Nick Cox <njcoxstata@gmail.com>]

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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