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Re: st: tabulation of comparison outcomes in -somersd-


From   Roger Newson <r.newson@imperial.ac.uk>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: tabulation of comparison outcomes in -somersd-
Date   Thu, 21 Oct 2010 21:02:03 +0100

It wasn't a Stata program, as they didn't have Stata in the early-mid 1980s, at least at Sussex University (where I did the reading for my DPhil at weekends) and at LSHTM (where I worked during the week and ran the programs at odd moments). It was a Pascal program, used to input an output file written by SAS and output an input file read by SAS. And it was originally written on punched cards, which LSHTM didn't finally phase out until 1986.

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 21/10/2010 20:29, Nick Cox wrote:
<sacrifice>

Roger: Thanks for changing that name. However, you lost out on any future competition for the most bizarre-looking Stata program name in history. It sounds like a long drink going down a very thirsty throat.

Nick
n.j.cox@durham.ac.uk

Roger Newson

[...]

As it happens, the original ancestor of -somersd- was called -lllgglgg-,
and calculated output variables ll, lg, gl and gg, containing,
respectively, in each observation, the number of other observations with
a lesster X-value and a lesser Y-value, the number of observations with
a lesser X-value and a greater Y-value, the number of observations with
a greater X-value and a lesser Y-value, and the number of observations
with a greater X-value and a greater Y-value.

[...]

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