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st: RE: Rank regression


From   "Newson, Roger B" <r.newson@imperial.ac.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Rank regression
Date   Fri, 25 Sep 2009 19:08:41 +0100

I don't know what your reviewer means by "rank regression". The word "regression" means "conditional mean" (or used to), and I personally don't usually use it in connection with rank statistics. However, median slopes (with confidence limits) can be calculated using the -censlope- module of the -somersd- package, which you can download from SSC. The -somersd- package is distributed with 3 .pdf manuals, which you can download as ancillary files, and which explain the theory.

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.

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Apostolos Ballas
Sent: 25 September 2009 18:50
To: statalist@hsphsun2.harvard.edu
Subject: st: Rank regression

A very persistent referee is asking that I carry out an analysis using rank
regression. Could you please suggest how this is done in Stata since there
appears no reference in the manuals? Also, if anyone could also help me with
the statistics, how does it compare with quantile regression?

Many thanks,

Apostolos Ballas

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