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st: foreach

From   "Ms. Marilyn Ibarra" <>
Subject   st: foreach
Date   Fri, 27 Oct 2006 10:02:17 -0400 (EDT)

I have data that is coded as "si" or "no".  I need to change this to numeric variables.  I tried the following but keep getting an error message that says, "varlist not found". Can anyone tell me what I am doing wrong?

Here is the code:

foreach x in varlist p03a01 p03a01a-p03a01m {
	gen y = (`x' == "si")
	replace y = 0 if (`x' =="no")
	drop `x'
	rename y `x'

Thank you in advance,
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