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Re: AW: st: string variable question
From
Eric Booth <[email protected]>
To
[email protected]
Subject
Re: AW: st: string variable question
Date
Mon, 29 Mar 2010 09:29:28 -0500
>
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
[email protected]
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: [email protected]
>> [mailto:[email protected]] Im Auftrag von Eric Booth
>> Gesendet: Montag, 29. März 2010 15:38
>> An: [email protected]
>> 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
>> [email protected]
>> 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
>>> [email protected]
>>> 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
> [email protected]
> www.dataanalyticscorp.com
>
> *
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