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st: RE: New version of -sencode- and -sdecode- on SSC


From   "Newson, Roger B" <[email protected]>
To   "'[email protected]'" <[email protected]>
Subject   st: RE: New version of -sencode- and -sdecode- on SSC
Date   Wed, 15 Apr 2009 17:02:09 +0100

Sorry, the Stata command to access the Stata 9 versions of -sencode- and -sdecode- should of course be
net from "http://www.imperial.ac.uk/nhli/r.newson/stata9/";
for the Stata 9 packages. 

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: [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.

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Newson, Roger B
Sent: 15 April 2009 15:51
To: '[email protected]'
Subject: st: New version of -sencode- and -sdecode- on SSC

Thanks to Kit Baum, new versions of the -sencode- and -sdecode- packages are now available for download from SSC. In Stata, use the -ssc- command to do this, or the -adoupdate- command, if you already have earlier versions.

The -sencode- and -sdecode- packages are "super" versions of -encode- and -decode-, respectively, and are described as below on my website. The new versions are updated to Stata Version 10, and now have .sthlp on-line help files. However, users of earlier versions of Stata can still download the Stata 7 or 9 versions of -sencode- and -sdecode- by typing, in Stata,
net from "http://www.imperial.ac.uk/nhli/r.newson/stata7/";
for the Stata 7 packages, or
net from "http://www.imperial.ac.uk/nhli/r.newson/stata7/";
for the Stata 9 packages.

The -sencode- package has also been improved by the addition of a -fast- option for programmers, the addition of a -replace- suboption to the -label()- option allowing the user to overwrite existing value labels of the same name as the value label generated by -sencode-, and the use of Mata to do some work previously done using file processing.

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: [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 sencode from http://www.imperial.ac.uk/nhli/r.newson/stata10
------------------------------------------------------------------------------------------

TITLE
      sencode: Encode a string variable non-alphanumerically into a numeric variable

DESCRIPTION/AUTHOR(S)
      sencode is an extended version of encode. It takes, as input, a string
      variable, and generates, as output, a numeric variable, with value labels
      corresponding to values of the string variable. The output numeric variable
      may replace the input string variable or be generated as a new variable.
      sencode orders the numeric values corresponding to string values in the
      sequential order of appearance in the input string variable in the data set,
      or in another order specified by the user, instead of ordering them in
      alphanumeric order of the string value, as encode does. The mapping from
      numeric code values to string labels may be one-to-one (coded in order of
      first appearance of the string value) or many-to-one (coded in each
      observation by the position of that observation in the data set, or in the
      user-specified ordering).
      
      Author: Roger Newson
      Distribution-Date: 14april2009
      Stata-Version: 10

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

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

TITLE
      sdecode: Decode a numeric variable to string, formatting unlabelled values

DESCRIPTION/AUTHOR(S)
      sdecode is an extended version of decode. It takes, as input, a numeric
      variable, and generates, as output, a string variable, with values
      corresponding to value labels of the numeric variable for labelled values,
      and (optionally) formatted values of the numeric variable for unlabelled
      values. The output string values therefore appear as the numeric input
      values appear in output from the tabulate command. The output string
      variable may replace the input numeric variable or be generated as a new
      variable.
      
      Author: Roger Newson
      Distribution-Date: 14april2009
      Stata-Version: 10

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

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