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st: AW: How to make ID as 01 instead of 1


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: How to make ID as 01 instead of 1
Date   Mon, 14 Dec 2009 13:46:59 +0100

<> 

You cannot -replace- the numeric variable because -replace- cannot promote
the data type to -string-. Just create a new variable, then:


*************
gen newx="0"+string(x)
*************

You could also -format- the numeric variable -format x %02.0f- to achieve a
similar effect, without changing the actual contents of the variable...


HTH
Martin


-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Quang Nguyen
Gesendet: Montag, 14. Dezember 2009 13:45
An: statalist@hsphsun2.harvard.edu
Betreff: st: How to make ID as 01 instead of 1

Dear all:

Can you show me how I can generate ID in the following manner: 01,
02..... instead of 1, 2, 3...?

>From the original data, I have ID in the form of 1, 2, ...... I then
use the following commands:

tostring ID, replace
replace x = "01" if x=="1"

There was a message "type mismatch".

Any help is appreciated.

Sincerely yours,

Quang


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"My father gave me the greatest gift anyone could give another person,
he believed in me." - Jim Valvano
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