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st: New version of -xglm- on SSC
From
"Roger B. Newson" <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: New version of -xglm- on SSC
Date
Thu, 23 Jan 2014 22:15:23 +0000
Thanks as always to Kit Baum, a new version of the -xglm- package is now
available for download from SSC. In Stata, use the -ssc- command to do
this, or -adoupdate- if you already have an old version of -xglm-.
The -xglm- package is described as below on my website, and is an
extended version of -glm-. The new version is upgraded to Stata Version
13, so it can take advantage of new features of -glm- introduced in
Stata Version 13 (like the -asis- option).
Users of Stata Versions 11 and 12 can still download the old Stata 11
version of -xglm- from my website by typing, in Stata,
net describe xglm, from(http://www.imperial.ac.uk/nhli/r.newson/stata11)
and installing the package.
I would like to thank Kristin MacDonald of Stata TechSupport for her
help in explaining the recently-introduced -asis- option of -glm-, when
I contacted Stata TechSupport after being astounded to discover that the
default policy of -glm- on zero-prevalence factor levels in a logistic
regression had changed. I had always previously used -glm- because
(unlike -logit-) it allowed me to estimate zero odds for a factor level
in a model, if these zero odds existed. I now know that, if I want to do
that in today's Stata, I must use the -asis- option from now on.
Best wishes
Roger
--
Roger B Newson BSc MSc DPhil
Lecturer in Medical Statistics
Respiratory Epidemiology, Occupational Medicine
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: [email protected]
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.
----------------------------------------------------------------------------
package xglm from http://www.imperial.ac.uk/nhli/r.newson/stata13
----------------------------------------------------------------------------
TITLE
xglm: Extended version of glm
DESCRIPTION/AUTHOR(S)
xglm is an extended version of glm, designed mostly for use
with the parmby module of the parmest package, downloadable
from SSC.
Author: Roger Newson
Distribution-Date: 23january2014
Stata-Version: 13
INSTALLATION FILES (click here to install)
xglm.ado
xglm.sthlp
----------------------------------------------------------------------------
(click here to return to the previous screen)
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