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Re: st: Declare and class field initialisation with an r()-value
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From |
[email protected] (Vince Wiggins, StataCorp) |
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To |
[email protected] |
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Subject |
Re: st: Declare and class field initialisation with an r()-value |
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Date |
Sun, 25 Jan 2009 22:28:05 -0600 |
Sergiy Radyakin <[email protected]> asks about using the Declare class
builtin with.
> is this a bug in Stata?
>
> sysuse auto
> .MyObject=.object.new
> summarize price
> .MyObject Declare double AvPrice1 = r(mean)
> .MyObject Declare double AvPrice2 = 6165.256756756757
> classutil des .MyObject
>
> Output:
> object .MyObject:
> classwide:
> dbstyle .dbstyle
> .Declare:
> double .AvPrice1 = .
> double .AvPrice2 = 6165.256756756757
> [...]
It is a bug. We will fix it in a future update. In the interim, I suggest
dereferencing r() results with macro quotes in the declaration; e.g.,
.MyObject.Declare AvPrice2 = `r(mean)'
-- Vince
[email protected]
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