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st: identifying missing values in a list


From   Gianfranco Spiteri <[email protected]>
To   [email protected]
Subject   st: identifying missing values in a list
Date   Fri, 2 Jun 2006 14:26:26 +0100

Dear all,
I have a variable, which can have up to 5 observations. The observations may
be any integer from 1 to 5. Each number may be there only once but I could
have less than 5 observations in total.
I am trying to find a way of going through the list, identifying which
numbers are missing and appending these numbers to the dataset. Does anyone
have a relatively simple way of doing it?

an example would be as follows:

HACODE
1
3
5

and the end result would be

HACODE
1
3
5
2
4

many thanks
Gianfranco

-------------------------------------------------------------

Gianfranco Spiteri
EPIET Fellow
CDSC (NI)
McBrien Building
Belfast City Hospital
Lisburn Road
Belfast
BT9 7AB
Northern Ireland

[email protected]
Tele: +44 (0) 28 90263765   Fax: +44 (0)  028 90263511 

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