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st: New version of -wridit- on SSC

From   "Roger B. Newson" <[email protected]>
To   "[email protected]" <[email protected]>
Subject   st: New version of -wridit- on SSC
Date   Mon, 12 Mar 2012 11:20:24 +0000

Thanks as always to Kit Baum, a new version of the -wridit- 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 -wridit-.

The -wridit- package is described as below on my website, and computes weighted ridits. The new version adds an option -folded-, causing the generated ridits to be folded ridits (equal to 2*R-1, where R is the corresponding unfolded ridit). I have also clarified the on-line help, and corrected the page numbers in the Bross reference there. I would like to thank Ariel Linden of Linden Consulting for pointing out this error.

Best wishes


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
Tel: +44 (0)20 7352 8121 ext 3381
Fax: +44 (0)20 7351 8322
Email: [email protected]
Web page:
Departmental Web page:

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

package wridit from

      wridit: Generate weighted ridits

      wridit inputs a variable and generates its weighted ridits.
      If no weights are provided, then all weights are assumed
      equal to 1, so unweighted ridits are generated.

      Author: Roger Newson
      Distribution-Date: 29february2012
      Stata-Version: 10

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