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Re: st: list a variable - correction


From   Gary Longton <glongton@fhcrc.org>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: list a variable - correction
Date   Thu, 17 Apr 2003 07:33:56 -0700

jtsheu@bu.edu wrote:
> 
> > I have look at the manual for a long time,and try different variable format,
> > but, it seems not work.
> >
> > Suppose I have a variable with the following numbers:
> >
> > obs1 123456789123456789
> > ......
> >
> > That means, the entry of this variable is a huge number.
> > However, when I ask Stata to list this variable.
> > Stata always return:
> >
> > obs1 1.234..e17 instead of its original format.

and I wrote:

> Take a look at the help concerning
> 
> 1) display formats (whelp format)
> 
> and
> 
> 2) numeric storage types and precision (whelp datatype)
> 
> Even if your variable was type double (2 byte storage), you would not
                                         ^ 
> get the 18 digits of precision you desire.  You will need to store such
> a number as a string variable to retain all 18 digits.

I hastily wrote "2 byte storage", which should have been "8 byte" for
doubles (floats are 4 bytes).

- Gary
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