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Re: st: Wishlist for Stata 13


From   Maarten Buis <[email protected]>
To   [email protected]
Subject   Re: st: Wishlist for Stata 13
Date   Wed, 30 Jan 2013 14:50:53 +0100

On Wed, Jan 30, 2013 at 2:17 PM, Richard Goldstein wrote:
> a big (to me) caveat to the -defv- solution (and also to Maarten Buis'
> solution from today): it does not work with -egen- and it does not work
> with -by-

Here are the solutions:

*! version 1.0.0 30Jan2013 MLB
program define myegen, byable(onecall)
	if "`_byvars'" != "" {
		local byby "by `_byvars' : "
	}
	`byby'egen `0'

	// find the name of variable
	gettoken x rest : 0
	local type "byte int long float double"
	if `: list x in type' {
		gettoken x : rest
	}
	gettoken x : x, parse("=")

	// add note
	note `x' : `byby'egen `0'
end

*! version 1.0.0 30Jan2013 MLB
program define mygen, byable(onecall)
	if "`_byvars'" != "" {
		local byby "by `_byvars' : "
	}
	`byby'generate `0'

	// find the name of variable
	gettoken x rest : 0
	local type "byte int long float double"
	if `: list x in type' {
		gettoken x : rest
	}
	gettoken x : x, parse("=")
	gettoken x : x, parse(":")

	// add note
	note `x' : `byby'generate `0'
end

*! version 1.0.0 30Jan2013 MLB
	program define myreplace, byable(onecall)
	if "`_byvars'" != "" {
		local byby "by `_byvars' : "
	}
	`byby'replace `0'

	// find the name of variable
	gettoken x rest : 0
	local type "byte int long float double"
	if `: list x in type' {
		gettoken x : rest
	}
	gettoken x : x, parse("=")

	// add note
	note `x' : `byby'replace `0'
end

Hope this helps,
Maarten

---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
---------------------------------
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