st: Re: Possible error in the latest stata

["Michael Blasnik" <michael.blasnik@verizon.net>]

This is a faq, see

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

Computers work in binary and Stata is very precise about equality 
comparisons.

Michael Blasnik
michael.blasnik@verizon.net

----- Original Message ----- 
From: <Mlokshin@worldbank.org>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, January 16, 2006 4:32 PM
Subject: st: Possible error in the latest stata



> Dear Statalist,
>
> This is the problem I have with the latest update of Stata:
>
> in any existing dataset or set obs 100
>
> . gen k=0.4
> . count if k==0.4
> 0
>
> if you browse this new variables you would see that k is equal not to 0.4 
> but
> 0.4000001,
>
> Interestingly, if you gen k=0.5, 0.41... everything is fine, but the 
> problem
> persists for 0.6, 0.7, 0.8.
>
> Michael
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