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st: RE: destring

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: destring
Date   Wed, 22 Jun 2005 21:16:08 +0100

If you make a string variable with leading 
zero into a numeric variable there is one, 
and only one, sense in which you can keep 
the leading zero. You can apply to it 
a format (e.g. %04.0f) that forces 
display with leading zeros. If you need
the leading zero for calculations or 
other manipulations then you need both 
string or numeric versions. 

[email protected] 

Seyda G Wentworth

> I need to create a numeric variable (numvar) out of a string 
> (stringvar) to be able to say things like:
> sum x y z if numvar==5
> The string variable is a code  with values such as 0107, 
> 0256, etc. How can I make it numeric without loosing the "0" 
> in front? In other words I want to keep all the digits.

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