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Re: st: are Macro variable always possible ?


From   John Litfiba <cariboupad@gmx.fr>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: are Macro variable always possible ?
Date   Sun, 28 Aug 2011 20:36:12 +0200

Hello Matt,

Thank you very much for your kind answer
But... its doesnt seem to work, right ?

If I call the macro I obtain the same error

. display "`filter'"
var1==unknown function hello"&var2==1&var3==43&var6=="helloagain"&!missing()


On 28 August 2011 20:14, Matthew White <mwhite@poverty-action.org> wrote:
> 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,
>> *
>> *   For searches and help try:
>> *   http://www.stata.com/help.cgi?search
>> *   http://www.stata.com/support/statalist/faq
>> *   http://www.ats.ucla.edu/stat/stata/
>>
>
>
>
> --
> Matthew White
> Data Coordinator
> Innovations for Poverty Action
> 101 Whitney Avenue, New Haven, CT 06510 USA
> www.poverty-action.org
>
> *
> *   For searches and help try:
> *   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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