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RE: st: Is there any bug in unabbreviation of variable names?


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Is there any bug in unabbreviation of variable names?
Date   Fri, 11 Apr 2008 18:38:06 +0100

Reserved words are documented at [U] 11.3. 

Nick
n.j.cox@durham.ac.uk 

Austin Nichols

Sergiy Radyakin <serjradyakin@gmail.com>:

I would guess that the prohibited abbreviations include words that are
not allowed as variables names, e.g. long or byte:

. g byte_ok=1

. d byte
byte not allowed
r(101);

. d byte*

              storage  display     value
variable name   type   format      label      variable label
------------------------------------------------------------------------
-----------------------
byte_ok         float  %9.0g

. unab g: byte
byte not allowed
r(101);

. unab g: byt

. di "`g'"
byte_ok

I think that the above looks a bit like a bug.

On Fri, Apr 11, 2008 at 1:24 PM, Sergiy Radyakin
<serjradyakin@gmail.com> wrote:

> I wonder if there is any bug in unabbreviation of variable names. I
> have a persistent problem, which can be reproduced as following (Stata
> for Windows version 9 and 10):
>
> // --------------------------------------------------------
> sysuse auto
> keep gear_ratio
> describe gear
> rename gear_ratio long_name
> describe long
> // --------------------------------------------------------
>
> r(101): long not allowed
>
> Same thing happens when I use tab instead of describe.
>
> In real life I have a variable long_unempl, which caused troubles when
> abbreviated in such a way. Is it only the word "long" that causes such
> problems? Or are there other "prohibited" abbreviations (I know
> "using" is one because it is a reserved word and appears in the syntax
> of describe, but "long" is not a part of the syntax)?

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