st: New version of -sencode- downloadable from SSC

[Roger Newson <roger.newson@kcl.ac.uk>]

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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