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Re: AW: st: string variable question
From
"Data Analytics Corp." <[email protected]>
To
[email protected]
Subject
Re: AW: st: string variable question
Date
Mon, 29 Mar 2010 11:00:31 -0400
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
[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
*
* 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/
*
* For searches and help try:
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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
--
________________________
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
*
* 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/