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Re: st: RE: modifying egen to add a replace feature


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: modifying egen to add a replace feature
Date   Wed, 18 Jul 2012 23:47:10 +0100

Sorry, but although I said the request was reasonable and that you
could do it I don't find the idea interesting or valuable enough to be
worth any more of my time.

Nick

On Wed, Jul 18, 2012 at 8:57 PM, Pradipto Banerjee
<pradipto.banerjee@adainvestments.com> wrote:
> Hi Nick, thanks for your response.
>
> Would it be possible for you to give an example of how to clone -egen- to add a -replace- option, or alternatively define say -regen- that does both -egen- and then -replace-?
>
> Many thanks
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
> Sent: Wednesday, July 18, 2012 12:36 PM
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: RE: modifying egen to add a replace feature
>
> No. You want a -replace- option for -egen- and it doesn't have one. I
> think the idea is reasonable but there is no such option. The fact is
> that typing -replace- would be about as much work as the alternative,
> particularly given that your three-liner can be two lines:
>
> drop y
> bysort x: egen y = myfunc(y, a, b, ...)
>
> You could certainly clone -egen- to add a -replace- option.
>
> Nick
>
> P.S. I would avoid the word "screwed" on Statalist. Also, there are no
> macros (Stata sense) in your question,
>
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