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st: New version of -qqvalue- for SSC


From   Roger Newson <r.newson@imperial.ac.uk>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: New version of -qqvalue- for SSC
Date   Fri, 7 Jan 2011 19:58:08 +0000

Hello again Kit

Please find attached the very latest version of the -qqvalue- package (described as below on my website), for distribution on SSC (when you get back to Boston). The new version has the same ado-file, but the .sthlp file contains a link to my article on -qqvalue- in the latest Stata Journal (to encourage users to buy a copy).

Best wishes (and thanks in advance)

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.

-----------------------------------------------------------------------------------
package qqvalue from http://www.imperial.ac.uk/nhli/r.newson/stata10
-----------------------------------------------------------------------------------

TITLE
qqvalue: Generate frequentist q-values by inverting multiple-test procedures

DESCRIPTION/AUTHOR(S)
      qqvalue is similar to the R package p.adjust.  It inputs a single
      variable, assumed to contain P-values calculated for multiple
      comparisons, in a dataset with 1 observation per comparison.  It
      outputs a new variable, containing the q-values corresponding to
      these P-values, calculated by inverting a multiple-test procedure
      specified by the user.  These q-values represent, for each
      corresponding P-value, the minimum uncorrected P-value threshold
      for which that P-value would be in the discovery set, assuming that
      the specified multiple-test procedure was used on the same set of
      input P-values to generate a corrected P-value threshold.  These
      minimum uncorrected P-value thresholds may represent familywise
      error rates or false discovery rates, depending on the procedure
      used.  Optionally, qqvalue may output other variables, containing
      the various intermediate results used in calculating the
      q-values.  The multiple-test procedures available for
      qqvalue are a subset of those available using the multproc module
      of the smileplot package, which can be downloaded from SSC.

      Author: Roger Newson
      Distribution-Date: 07january2011
      Stata-Version: 10

INSTALLATION FILES                                  (click here to install)
      qqvalue.ado
      qqvalue.sthlp
-----------------------------------------------------------------------------------
(click here to return to the previous screen)



On 07/01/2011 19:36, Christopher Baum wrote:
<>
Additions and updates to the SSC Archive are suspended from this afternoon through Monday 17 January during my absence from Boston. Materials sent during that time will be processed on my return.

Kit

Kit Baum   |   Boston College Economics&  DIW Berlin   |   http://ideas.repec.org/e/pba1.html
                               An Introduction to Stata Programming  |   http://www.stata-press.com/books/isp.html
    An Introduction to Modern Econometrics Using Stata  |   http://www.stata-press.com/books/imeus.html


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Attachment: qqvalue.zip
Description: Zip compressed data



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