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Re: st: Drawing a graph of ROC curve from statistics after a somersd command


From   Roger Newson <r.newson@imperial.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Drawing a graph of ROC curve from statistics after a somersd command
Date   Thu, 08 Sep 2011 15:29:12 +0100

I forgot to mention that the -senspec- packages can be downloaded from SSC using the Stata -ssc- command in Stata. However, the -findit- command should also find -senspec-.

Best wishes

Roger


Roger B Newson BSc MSc DPhil
Lecturer in Medical Statistics
Respiratory Epidemiology and Public Health Group
National Heart and Lung Institute
Imperial College London
Royal Brompton Campus
Room 33, Emmanuel Kaye Building
1B Manresa Road
London SW3 6LR
UNITED KINGDOM
Tel: +44 (0)20 7352 8121 ext 3381
Fax: +44 (0)20 7351 8322
Email: r.newson@imperial.ac.uk
Web page: http://www.imperial.ac.uk/nhli/r.newson/
Departmental Web page:
http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/

Opinions expressed are those of the author, not of the institution.

On 08/09/2011 11:18, Roger Newson wrote:
I personally use the -senspec- package, which computes sensitivity,
specificity and/or false positive rate in variables, which you can then
graph using -twoway line-.

I hope this helps.

Best wishes

Roger


Roger B Newson BSc MSc DPhil
Lecturer in Medical Statistics
Respiratory Epidemiology and Public Health Group
National Heart and Lung Institute
Imperial College London
Royal Brompton Campus
Room 33, Emmanuel Kaye Building
1B Manresa Road
London SW3 6LR
UNITED KINGDOM
Tel: +44 (0)20 7352 8121 ext 3381
Fax: +44 (0)20 7351 8322
Email: r.newson@imperial.ac.uk
Web page: http://www.imperial.ac.uk/nhli/r.newson/
Departmental Web page:
http://www1.imperial.ac.uk/medicine/about/divisions/nhli/respiration/popgenetics/reph/


Opinions expressed are those of the author, not of the institution.

On 08/09/2011 10:49, Katy Keenan wrote:
Hi,

I am calculating ROC AUC statistics to compare logistic regression
models from complex survey data, using the somersd command.
I was wondering if anybody knows a way of drawing a ROC curve graph to
viusally compare several curves after I have run the somersd command.

Thanks in advance,

Katherine Keenan
PhD Student
London School of Hygeine and Tropical Medicine
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