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Re: st: RE: input statement inside a while loop
From
Ricardo Ovaldia <[email protected]>
To
[email protected]
Subject
Re: st: RE: input statement inside a while loop
Date
Thu, 8 Jul 2010 10:05:05 -0700 (PDT)
Thank you Nick. Your first option is just what I needed. The second option will not work for me because the data in the new data set will contain output generated earlier in the loop.
Thank you,
Ricardo
Ricardo Ovaldia, MS
Statistician
Oklahoma City, OK
--- On Thu, 7/8/10, Nick Cox <[email protected]> wrote:
> From: Nick Cox <[email protected]>
> Subject: st: RE: input statement inside a while loop
> To: [email protected]
> Date: Thursday, July 8, 2010, 11:56 AM
> This has I think arisen recently but
> I am not going to try to search the
> archives for "end".
>
> I guess you're right: -end- in a do-file or programming
> context is just
> hopelessly ambiguous.
>
> If this example is close to the problem, then
>
> set obs 2
> gen lines1 = cond(_n == 1, "rec", "dat")
>
> is a way of avoiding
>
> input str5 lines1
>
> "rec"
>
> "dat"
> end
>
> Another way is just to store that data in a separate
> dataset and read it
> in each time.
>
> Nick
> [email protected]
>
>
> Ricardo Ovaldia, MS
>
> I am trying to create a data set inside a -while- loop but
> it keeps
> failing. I think that the -end- confuses Stata.
> Here is a simplified version:
> -----------------------------
> local i 1
> while `i'<=10 {
> clear
> set obs 100
> gen x=uniform()
> sum x
> clear
> input str5 lines1
>
> "rec"
>
> "dat"
> end
>
> save temp`i', replace
> local i=`i'+1
> }
> -------------------------------------
>
>
> output:
> . local i 1
>
> . while `i'<=10 {
> 2.
> clear
> 3.
> set obs 100
> 4.
> gen x=uniform()
> 5.
> sum x
> 6.
> clear
> 7.
> input str5 lines1
> 8.
> "rec"
> 9.
> "dat"
> 10.
> end
> --Break--
> r(1);
>
> end of do-file
>
>
>
> If I take out the -input- command it works. Any ideas?
>
>
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