Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: ROC question: STATA vs SPSS
From
Ricardo Ovaldia <[email protected]>
To
[email protected]
Subject
Re: st: ROC question: STATA vs SPSS
Date
Thu, 28 Jul 2011 14:23:19 -0700 (PDT)
Not absolutely sure, but if you code the response 0,1 or 1,0 it may flip the curves.
Ricardo
Ricardo Ovaldia, MS
Statistician
Oklahoma City, OK
--- On Thu, 7/28/11, Danielle Boyce <[email protected]> wrote:
> From: Danielle Boyce <[email protected]>
> Subject: st: ROC question: STATA vs SPSS
> To: "[email protected]" <[email protected]>
> Date: Thursday, July 28, 2011, 2:53 PM
> Hi,
>
> I usually use STATA for my data analysis, but for various
> reasons, ran one in SPSS first. It gave me a negative
> cutoff point when my data have no negative values. I
> re-ran in STATA and got the same AUC, but no negative
> cutoff, and everything else (CIs, cutoffs) are
> ever-so-slightly off compared to SPSS.
>
> I'm just wondering if anyone knows why this discrepancy
> exists.
>
> Thanks!
> Danielle
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/