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st: RE: Precision


From   "Steichen, Thomas J." <[email protected]>
To   <[email protected]>
Subject   st: RE: Precision
Date   Fri, 11 Nov 2005 09:16:27 -0500

Ronnie Babigumira writes:
> Sent: Friday, November 11, 2005 6:05 AM
> I have text file with two variables whose contents are 16 
> digit numbers of the form
> 
> x
> 348080.2688552010
> 
> I would like to import the data into stata whilst maintainig 
> the precision. Here is what I have done. I import the 
> variables as strings and that works. However, the next 
> challenge is that they need to be used as numeric variables 
> (this is the hair loss part). I have tried
> 
> gen y = real(x)
> destring x, gen(y)
> 
> Both dont have an option to specify the format. Trying to 
> format the generated variables also wont help since format y 
> %9.11f  gives me the dreaded red lines and blue lines
> 
> invalid %format
> r(120);

Destring will work, as it will automatically generate a double 
precision number having 16 digits of accuracy.

The problem is that you are mis-specifying the format
Try -format y %20.10f-.

Tom

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