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# RE: st: Create a Dummy Based on Standard Deviation

 From Shan Ghimire To "statalist@hsphsun2.harvard.edu" Subject RE: st: Create a Dummy Based on Standard Deviation Date Tue, 11 Sep 2012 22:43:21 -0400

```Thank you Nick. That works for what I was trying to accomplish.
Shan

----------------------------------------
> Date: Tue, 11 Sep 2012 07:47:10 +0100
> Subject: Re: st: Create a Dummy Based on Standard Deviation
> From: njcoxstata@gmail.com
> To: statalist@hsphsun2.harvard.edu
>
> This sounds like a strange idea: you have precise information on a
> variable, so why not use it?
>
> But the Stata syntax could be something like
>
> gen within = inrange(X, 14, 22)
>
>
> SJ-6-4 dm0026 . . . . . . Stata tip 39: In a list or out? In a range or out?
> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Cox
> Q4/06 SJ 6(4):593--595 (no commands)
> tip for use of inlist() and inrange()
>
> Nick
>
> On Tue, Sep 11, 2012 at 4:43 AM, Shan Ghimire <shanmire@hotmail.com> wrote:
>
> > I have a panel data on 'X', say i=100 and t=5, giving N = 500, with mean=18 and sd = 4. Now, I want to create a dummy variable 'Y' for each observation where Y =1 {if the observation 'X' is within 1 standard deviation from the mean of X}, otherwise give it a value 0.
>
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```