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Re: st: recoding question

From   Christopher Baum <>
To   "" <>
Subject   Re: st: recoding question
Date   Tue, 25 Dec 2012 13:10:17 +0000

On Dec 25, 2012, at 2:33 AM, Tony wrote:

> I have a string variable with codes 
> Markedly Improved
> Markedly Worse
> Moderately Improved
> Moderately Worse
> Slightly Improved
> Slightly Worse
> Unchanged
> I want to convert these to a numeric variable, but ordered in terms of improvement.  I was looking for a way to do this easily in one step, but didn't find a simple command like encode or recode.  I ended up using encode to get the variables numeric and then recoding them.  
> Is there a simple way to do this?   For seven categories it's no big deal, but if I had 20 categories and needed to do this repeatedly, it would be a pain.  
> Another option would be to prefix a numeral for the codes but that seems clumsy...

Nick Cox's Speaking Stata column in SJ 12:4, the latest issue, provides one rather nifty solution to this sort of problem...


Kit Baum   |   Boston College Economics & DIW Berlin   |
                             An Introduction to Stata Programming  |
  An Introduction to Modern Econometrics Using Stata  |

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