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Re: st: are Macro variable always possible ?


From   Matthew White <mwhite@poverty-action.org>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: are Macro variable always possible ?
Date   Sun, 28 Aug 2011 18:14:33 +0000

Enclosing it in double quotes should do the trick:
local filter `"var1=="hello"&var2==1&var3==43&var6=="hello
again"&!missing(var34)"'

Best,
Matt

On Sun, Aug 28, 2011 at 5:52 PM, John Litfiba <cariboupad@gmx.fr> wrote:
> Dear Statalist,
>
> I have a very simple question about macro variables:
>
> I would like to define a macro variable which stores a long sequence
> of data restrictions that I use after any IF qualifier when a function
> allows it ..
>
> For example instead of writing
>
>  regress Y X if var1=="hello"&var2==1&var3==43&var6=="hello
> again"&!missing(var34) ,
>
> I tried to define a macro as
>
>  local filter var1=="hello"&var2==1&var3==43&var6=="hello again"&!missing(var34)
>
> in order to simply write
>
> regress Y X if `filter'
>
> However it doent seem to work as Stata doesnt like at all the part
> var1=="hello" (because of the ""), causing an error in the
> interpretation...
>
> Has anyone an idea ?
>
> Thank you very much !
> Best,
> *
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>



-- 
Matthew White
Data Coordinator
Innovations for Poverty Action
101 Whitney Avenue, New Haven, CT 06510 USA
www.poverty-action.org

*
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*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


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