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st: encoding string to numerinc (was: st: Date: Fri, 20 May 2005 11:16:47 +0200)


From   "Svend Juul" <SJ@SOCI.AU.DK>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: encoding string to numerinc (was: st: Date: Fri, 20 May 2005 11:16:47 +0200)
Date   Fri, 20 May 2005 13:20:45 +0200

Ashish had a problem transferring a string-coded variable to a numeric.
Actually Ashish had several basic problems; I suggest e.g. a Stata
NetCourse (http://www.stata.com/netcourse)

In the meantime: I think the do-file below illustrates commands
useful to Ashish's task.

Good luck,
Svend

---------------------------------------------
clear
input str26 scontent
"Strongly agree"
"Agree"
"Neither agree nor disagree"
"Disagree"
"Strongly disagree"
end

encode scontent , generate(ncontent)
numlabel , add
list
recode ncontent (4=1)(1=2)(3=3)(2=4)(5=5) , generate(content)
list

label define content 1 "Strongly agree" 2 "Agree" ///
  3 "Neither agree nor disagree" 4 "Disagree"     ///
  5 "Strongly disagree"
label values content content
numlabel , add

tab1 content

recode content (1 2=1 "Agree")(3=2 "Neutral")    ///
  (4 5=3 "Disagree") , generate(content3)
numlabel , add

tab1 content3
---------------------------------------------

__________________________________________

Svend Juul
Institut for Folkesundhed, Afdeling for Epidemiologi
(Institute of Public Health, Department of Epidemiology)
Vennelyst Boulevard 6
DK-8000  Aarhus C, Denmark
Phone: +45 8942 6090
Home:  +45 8693 7796
Email: sj@soci.au.dk
__________________________________________ 

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