I did not mean to suggest that I thought it was unacceptable for you to
correct my code. I just wanted to make sure that my additional emails
were seen.
Justin White
-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
Sent: Friday, October 27, 2006 10:52 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: RE: RE: RE: foreach
I didn't see your second message before I sent my
first.
However, I do suggest, as politely but also as firmly
as I can, that the implication that it is unacceptable
for posters to correct the code of others is totally
absurd as a suggestion for a technical list.
Nick
n.j.cox@durham.ac.uk
White, Justin
> I realized I missed putting the 1 and 0 in quotes and resent an email
> correcting my code. When I realized I also missed the use of "in"
> rather than "of" I again resent my code with the necessary
> corrections.
> Sorry for all the emails.
>
>
> Justin White
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
> Sent: Friday, October 27, 2006 10:29 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: RE: RE: foreach
>
> The first problem here with Marilyn's code
> is that the keyword "in" is not what she needs.
>
> "in" is legal here but what follows will not
> be interpreted as she wants. The first time around
> the loop, the word "varlist" is taken literally
> and Stata looks for a variable called -varlist-,
> which she evidently does not have.
>
> If Marilyn (and Justin) look again at the help for
> -foreach-, they will see that "of" is needed here.
>
> The second problem, again with Marilyn's original
> and Justin's suggestion, is that there is a boundary
> between numeric and string variables that cannot
> be crossed as casually as you wish. This issue
> also arose in my reply to someone else about a day ago.
>
> qui foreach x of varlist p03a01 p03a01a-p03a01m {
> replace `x' = "1" if `x' == "si"
> replace `x' = "0" if `x' == "no"
> capture destring `x', replace
> }
>
> would seem one possibility. The use of -encode- is
> another, probably better.
>
> Nick
> n.j.cox@durham.ac.uk
>
> White, Justin
>
> > This sounds to me that Stata is having a hard time recognizing your
> > varlist.
> >
> > Try listing each variable rather than using < p03a01a-p03a01m >.
> >
> > Also, why generate y?
> >
> > Why would you not use this:
> >
> > foreach x in varlist ......... {
> > replace `x' = 1 if `x'=="si"
> > replace `x' = 0 if `x'=="no"
> > }
>
> Ms. Marilyn Ibarra
>
> > 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'
> > }
> >
>
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