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RE: st: best practice for dates and times


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: best practice for dates and times
Date   Mon, 21 Feb 2011 18:44:54 +0000 (GMT)

---  Liao, Junlin
> Please note in previous code I had intentionally set type
> to float. -replace- still choose double for results of
> -clock-. Suppose I do another calculation, -replace- will
> choose float. Therefore, -replace- must know about -clock-.

--- On Mon, 21/2/11, Nick Cox wrote:
> As I understand it, -replace- looks at values, not what
> produced them. If it sees a particular number that should
> be stored as -double-, it is not because it comes tagged
> with a history "produced by -clock()-; act accordingly". 

Nick seems to be right, -replace- will increase the storage
type regarless of what function produced it, just not 
float, which I think is a sensible default given what was
said before.

set obs 1
gen byte foo = 1
replace foo = 10000
desc	

-- Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------


      

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