Re: st: -foreach- loop to fit regression at each level of a variable

[Nick Cox <njcoxstata@gmail.com>]

Also, there is no legal syntax

-egen local-
Nick
njcoxstata@gmail.com


On 19 November 2013 12:42, Nick Cox <njcoxstata@gmail.com> wrote:
> Just looking at the help for a few seconds establishes that
>
> 1. There is no -levelsof()- function for -egen-.
>
> 2. -foreach ... of- requires a key word specifying a list type to follow.
>
> Also you should learn in type in Stata
>
> . search foreach
>
> to find resources. In this case,
>
> http://www.stata.com/support/faqs/data-management/try-all-values-with-foreach/
>
> is most focused on your problem.
>
> Nick
> njcoxstata@gmail.com
>
>
> On 19 November 2013 12:34, Milena Przheska
> <milena.przheska@cosmicdevelopment.com> wrote:
>
>> I am trying to fit the same logistic regression model using different
>> samples from a data set and I am wondering if it is even possible to
>> use a -foreach- loop to estimate regression models for each sample
>> (indicated by a variable).
>>
>> I use the variable 'sample' to indicate the sample, but instead of
>> writing the command over and over for each sample, I tried to do this
>> with a -foreach- loop, something  like this:
>>
>> egen local sample_level = levelsof(sample)
>>
>> foreach n of sample_level {
>> logistic outcome var1 var2 var3 if sample_level==`n', vce(cluster id)
>> }
>>
>> As always, I would appreciate your help.
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