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Re: st: A bug in egen and gen?


From   "Joseph Coveney" <jcoveney@bigplanet.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: A bug in egen and gen?
Date   Sat, 19 Feb 2011 00:28:00 +0900

Junlin Liao wrote:

Unless someone changed the command, my version of Stata 11 does not compress
double to float when it can do so.

Nick Cox wrote:

You should supply specific examples of where you think that is not
happening.

--------------------------------------------------------------------------------

Junlin might mean something akin to this:

. clear *

. set obs 3
obs was 0, now 3

. generate double compressable = 1 / 2^_n

. display in smcl as text "`: type compressable'"
double

. compress

. display in smcl as text "`: type compressable'"
double

. assert compressable == float(compressable)

. recast float compressable

. display in smcl as text "`: type compressable'"
float

. exit

end of do-file

I don't recall ever encountering real data where this would have come in handy.

Joseph Coveney



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