Re: AW: st: string variable question

["Data Analytics Corp." <walt@dataanalyticscorp.com>]

This looks like it would work, But it's interactive.  I'd like to add 
this to a .do file.  Someone suggested using replace.  Maybe that will work.
Thanks for all the help.

Walt

Eric Booth wrote:
>   Assuming you've already got this dataset in memory:
> **
> clear
> inp A1 A2
> 1 2
> 2 3
> 3 4
> 5 6
> end
> **
>
> You could use -input- :
> **
> inp str25  brand
> "Cheerios" 
> "Wheaties" 
> "Frosted"
> "other"
> end
> **
>
> ~ Eric
> __
> Eric A. Booth
> Public Policy Research Institute
> Texas A&M University
> ebooth@ppri.tamu.edu
> Office: +979.845.6754
>
>
> On Mar 29, 2010, at 9:23 AM, Data Analytics Corp. wrote:
>
>   
> > Hi,
> >
> > Sorry, but I'm not making myself clear.  Let me try again.  Here's the data:
> >
> > A1   A2
> > 1.35   -2.48
> > 1.50   0.56
> > 0.75   -1.2
> > ...
> >
> > I want to add a third variable, brand, that has nothing to do with the specific numbers for A1 and A2, but rather with the rows.  So, I want
> >
> >           A1   A2         brand
> >           1.35   -2.48   Cheerios
> >           1.50   0.56     Wheaties
> >           0.75   -1.2      Frosted
> >           ...
> >
> > A1 and A2 come from an MDS estimation by converting the e(Y) matrix to variables.  I now need to add the brands for further processing.  It seems I should be able to do something like
> >
> >           gen str brand = "Cheerios" "Wheaties" "Frosted" etc
> >
> > But it doesn't work, unless I just mistyped something.  Hope this helps clarify what I need.  I really appreciate the help.
> >
> > Thanks,
> >
> > Walt
> >
> >
> > Martin Weiss wrote:
> >     
> > > <> 
> > > Or, in one fell swoop:
> > > *************
> > > clear*
> > > inp A1 A2
> > > 1 2
> > > 2 3
> > > 3 4
> > > 5 6
> > > end
> > >
> > > gen brand=string(A1)+string(A2)
> > > list
> > > *************
> > >
> > >
> > >
> > > HTH
> > > Martin
> > >
> > >
> > > -----Ursprüngliche Nachricht-----
> > > Von: owner-statalist@hsphsun2.harvard.edu
> > > [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Eric Booth
> > > Gesendet: Montag, 29. März 2010 15:38
> > > An: statalist@hsphsun2.harvard.edu
> > > Betreff: Re: st: string variable question
> > >
> > >  
> > > Use -tostring- to combine the numeric vars, ex:
> > > *****
> > > clear
> > > inp A1 A2
> > > 1 2
> > > 2 3
> > > 3 4
> > > 5 6
> > > end
> > >
> > > tostring A1 A2, replace
> > > gen brand = A1 + A2
> > > *****
> > >
> > > ~ Eric
> > > __
> > > Eric A. Booth
> > > Public Policy Research Institute
> > > Texas A&M University
> > > ebooth@ppri.tamu.edu
> > > Office: +979.845.6754
> > >
> > >
> > >
> > > On Mar 29, 2010, at 8:32 AM, Data Analytics Corp. wrote:
> > >
> > >  
> > >       
> > > > Hi,
> > > >
> > > > I have two numeric variables in a Stata dataset: A1 and A2.  Each has 26
> > > >    
> > > >         
> > > elements.  I want to create a third variable, brand, as part of a do program
> > > that has 26 brand names.  I tried
> > >  
> > >       
> > > > gen str brand = "A" "B" and so on to "Z"
> > > >
> > > > but that didn't work.  How can I create a brand variable?
> > > >
> > > > Thanks,
> > > >
> > > > Walt
> > > >
> > > >
> > > >
> > > > --
> > > > ________________________
> > > >
> > > > Walter R. Paczkowski, Ph.D.
> > > > Data Analytics Corp.
> > > > 44 Hamilton Lane
> > > > Plainsboro, NJ 08536
> > > > ________________________
> > > > (V) 609-936-8999
> > > > (F) 609-936-3733
> > > > walt@dataanalyticscorp.com
> > > > www.dataanalyticscorp.com
> > > >
> > > > *
> > > >         
> > >
> > >       
> > --
> > ________________________
> >
> > Walter R. Paczkowski, Ph.D.
> > Data Analytics Corp.
> > 44 Hamilton Lane
> > Plainsboro, NJ 08536
> > ________________________
> > (V) 609-936-8999
> > (F) 609-936-3733
> > walt@dataanalyticscorp.com
> > www.dataanalyticscorp.com
> >
> > *
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> >     
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>   

--
________________________

Walter R. Paczkowski, Ph.D.
Data Analytics Corp.
44 Hamilton Lane
Plainsboro, NJ 08536
________________________
(V) 609-936-8999
(F) 609-936-3733
walt@dataanalyticscorp.com
www.dataanalyticscorp.com

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