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st: from long to wide


From   N.Li@ms.unimelb.edu.au
To   statalist@hsphsun2.harvard.edu
Subject   st: from long to wide
Date   Wed, 31 Oct 2007 23:38:25 +1100 (EST)

Dear Statalisters,

How to reshape a data set from long form to wide form without using the
command reshape?

Say the data look like this

HID       PID      INJDAM
A           1           a
A           2           b
A           2           c
B           1           b
B           2           a

where HID and PID represent household and personal ids respectively, and
INJDAMC the damage type (eg, a=burns, b=bruising, c=..)in a personís most
recent injury.

Thank you very much for your help.

Ning

PS
(Recently I am working on a data set from a remote access data library.
The RADL receives STATA codes submitted by its users, it runs jobs and
returns outputs via its web interface.  For confidentiality reasons, not
all the STATA commands are allowed in the RADL. One of these commands is 
reshape,  we know reshape a dataset wonít reveal extra information though.
 I tried to program but failed.  )


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