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st: New version of -sencode- downloadable from SSC


From   Roger Newson <roger.newson@kcl.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   st: New version of -sencode- downloadable from SSC
Date   Mon, 09 Jun 2003 18:33:51 +0100

Hello All

Thanks to Kit Baum, there is now a new version of the -sencode- package downloadable from SSC. Type -ssc desc sencode- to find out more.

The -sencode- package is a sequential non-alphanumeric version of -encode-, and encodes the values of a string variable to a numeric variable in a user-specified order, which, in default, is the sequential order of appearance of the string value in the data set. The new version fixes a bug, which caused the old version of -sencode- to fail if the -manyto1- option was specified and the string variable to be encoded contained a non-missing string value containing only spaces (eg " "). The new version of -sencode- encodes such a non-missing string of spaces to a non-missing numeric code, although the empty string value "" is still encoded to a numeric missing value. (This is consistent with the policy of -encode-, and indeed with the policy of the old version of -sencode- when the -manyto1- option was not specified.)

Best wishes

Roger

--
Roger Newson
Lecturer in Medical Statistics
Department of Public Health Sciences
King's College London
5th Floor, Capital House
42 Weston Street
London SE1 3QD
United Kingdom

Tel: 020 7848 6648 International +44 20 7848 6648
Fax: 020 7848 6620 International +44 20 7848 6620
or 020 7848 6605 International +44 20 7848 6605
Email: roger.newson@kcl.ac.uk

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

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