Re: st: RE: Can't store estimates after logistic regression

[Edouard Betsem <edouardbetsem@gmail.com>]

It's still not working.
by is not allowed here and using separate returned this error code

[__00000E] not found
r(111);

I'm wondering if "roccomp" can be used with "estimates"

I've even renamed the _est_mod1 to mod1. It's on the editor table but I 
don't know why Stata can't find it

            logistic tma whoall
            est store mod1
            rename _est_mod1 mod1

            logistic tma study_2
            est store mod2
            rename _est_mod2 mod2
            roccomp tma _est_mod1 _est_mod2, graph summary

the estimates variables return the value "1" for all my observations.
Wish someone can help me solve this.
Thanks

Edouard BETSEM, MD, PhD


On 28/06/2013 00:48, Bley N'Dede wrote:
> I am not sure but may be you should try something like
>
> roccomp _est_mod1 _est_mod2, graph summary by(dis)
> ________________________________________
> From: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu] on behalf of Edouard Betsem [edouardbetsem@gmail.coou should try m]
> Sent: Friday, June 28, 2013 7:29 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: Can't store estimates
>
> Hi,
> I'm trying to use roccomp commande to compare AUC for two logistic
> models. but stata won't store my estimates.
>
> here are the commande lines.
>
> * all counts with binary
>               logistic dis ref
>               est store mod1
>
>               logistic dis stud
>               est store mod2
>               roccomp dis mod1 mod2, graph summary
>
> and this is the message i have:
>
> variable mod1 not found
> r(111);
>
> does anyone know the reason for this?
> Best
> Edouard
>
>
>
>
> --
> Edouard BETSEM, MD, PhD
>
>
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