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st: Combining multiple observations by an ID variable

From   Ismail Abdi Ismail <>
To   <>
Subject   st: Combining multiple observations by an ID variable
Date   Wed, 12 Feb 2014 11:42:31 +0100

Dear statalist

I have a large dataset with the following variables: Nr(patient ID), Gender, Date of birth, Age group (0-9 etc), Length of stay (LOS), Nr_of_stay (N-Break), Cost, Total_sum_cost (per patient per episode), DRG, DRG-Weight, and ICD-10. I wish to look at the characteristics of different patients groups and Im trying to group all the patients in groups according to resource usage. How to I do this so that each group represents 10 % of the patients ranging in sum cost and how do I detect the top 5% and 1% of patients with the highest costs?

Kind regards

Ismail Abdi Ismail
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