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st: RE: Problems with "if X==number"


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Problems with "if X==number"
Date   Sun, 25 Jul 2010 09:21:58 +0200

<>
See http://www.stata.com/support/faqs/data/float.html and
http://www.stata.com/support/faqs/data/prec.html
Also see [U], 13.11.

-cou if gear_ratio ==float(3.54)- will give you the desired result...


HTH
Martin

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Mark Marshall
Sent: Sonntag, 25. Juli 2010 08:46
To: statalist@hsphsun2.harvard.edu
Subject: st: Problems with "if X==number" 

Using Stata/MP 11.1, Windows Vista.

Why is my Stata suddenly doing this? Is this something to do with some
obscure Stata setting, or do I have a serious problem with my
installation...

*****************************************************

Code:

sysuse auto
gen test=1 if gear_ratio==3.58
tab test

Output:

. gen test=1 if gear_ratio==3.58
(74 missing values generated)

. tab test
no observations

*****************************************************

Mark Marshall





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