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Re: st: Keeping an entire cell based on an observation taking a particular value
From
Nick Cox <[email protected]>
To
[email protected]
Subject
Re: st: Keeping an entire cell based on an observation taking a particular value
Date
Mon, 19 Mar 2012 20:50:17 +0000
I understand this as follows. You have panel data defined by variables
-id- and -time- and a bundle of other variables -X*-.
You want to keep any panels such that any value of -Xk- within a panel is 1.
egen OK = total(Xk == 1), by(id)
edit if OK
If and only if that is what you want
keep if OK
Nick
On Mon, Mar 19, 2012 at 8:33 PM, Dooruj Rambaccussing
<[email protected]> wrote:
> I am a beginner to stata. I was wondering if someone can help me with
> the following issue:
>
> I got a dataset with an id and time, and certain observations say X1,
> X2 ...... Xk. My variable Xk has got missing values. I would like to
> keep an id when a certain condition holds, suppose Xk(t) ==1, and I
> would also like to keep the missing obs. Can anyone help me with this
> ?
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