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Re: st: Re: using categorical and continuous variables foreach loop for univaraite analysis


From   "Dimitriy V. Masterov" <dvmaster@gmail.com>
To   Statalist <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Re: using categorical and continuous variables foreach loop for univaraite analysis
Date   Mon, 8 Jul 2013 16:05:52 -0700

Michael,

Take a look at http://www.stata.com/support/faqs/programming/looping-over-parallel-lists/

If your variables have such convenient names, you can loop over i and
use logit i.cat`i' con`i'.

DVM

On Mon, Jul 8, 2013 at 3:51 PM, Michael Stewart
<michaelstewartresearch@gmail.com> wrote:
> Hello all,
>
> In my research project, I have a number of categorical predictors(cat1
> cat2 cat3 cat4 ) and continuous predictors(con1 con2 con3 con4) and
> during initial uni-variate analysis,  I am using two step process to
> evaluate for statistical significance.My code is a follows
>
> I use stata 12
>
> *********************MY CODE ********************
> foreach x of varlist cat1 cat2 cat3 cat4{
> logit outcome i.`x'
> }
>
> foreach x of varlist con1 con2 con3 con4{
> logit outcome `x'
> }
> ********************************************************
> Question:
>
> Is it possible to achieve this is one step i.e., use continuous and
> predictors as a single varlist but perform logistic regression still
> respecting the fact that  some are categorical variables and some are
> continuous variables
>
> --
> Thank you  in advance for your time and consideration,
> Yours Sincerely,
> Mike.
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