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Re: st: Rename problem: r(110) already defined


From   Richard Williams <Richard.A.Williams.5@ND.edu>
To   statalist@hsphsun2.harvard.edu, statalist@hsphsun2.harvard.edu
Subject   Re: st: Rename problem: r(110) already defined
Date   Tue, 12 Feb 2008 18:14:46 -0500

At 05:53 PM 2/12/2008, Friedrich Huebler wrote:
I am trying to convert all variable names in my data to lowercase,
using the commands below. The -rename- command returns error code 110
"already defined" if a variable name is already lowercase.

ds
local vars "`r(varlist)'"
foreach v of local vars {
  local newname = lower("`v'")
  rename `v' `newname'
}
How about changing the rename command to

if "`v'" != "`newname'" rename `v' `newname'

You might also consider the Weesie and Cox -renvars- command, which is dm88_1 from the Stata Journal.


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Richard Williams, Notre Dame Dept of Sociology
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EMAIL: Richard.A.Williams.5@ND.Edu
WWW: http://www.nd.edu/~rwilliam

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