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st: RE: RE: Leading Zero's


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: Leading Zero's
Date   Tue, 1 Jul 2003 19:21:06 +0100

Alexander Quarshie, MD, MS

> Does anyone know a quick way in STATA to add leading zeros 
> to a numeric variable (even if I have to convert it to a 
> string, that would be okay). 
> A typical example might be to convert the following numbers 
> to a standard five-digit number with leading zeros:
> 2 -->  00002
> 33 --> 00033
> 473 --> 00473
> 59724 --> 59724

Display with leading zeros is a matter of format. 

di %05.0f 2 

A more fundamental change is 

gen str5 s_foo = string(foo,"%05.0f") 

Note that 

. search leading zero 

points to an FAQ 

http://www.stata.com/support/faqs/data/leading0.html

so all this is one command line away in Stata. 

Nick 
n.j.cox@durham.ac.uk 

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