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st: Re: Matrix from -tabstat- output


From   Friedrich Huebler <[email protected]>
To   [email protected]
Subject   st: Re: Matrix from -tabstat- output
Date   Thu, 16 Oct 2003 19:54:07 -0700 (PDT)

--- Nick Cox <[email protected]> wrote:
> *! NJC 1.0.0 16 Oct 2003 
> program tabstatmat  
> 	version 8 
> 	
> 	args matout garbage 
> 	if "`matout'" == "" | "`garbage'" != "" error 198 
> 
> 	if "`r(name1)'" == "" { 
> 		di as err "nothing found"
> 		exit 498
> 	} 	
> 
> 	// how many vectors? 
> 	local I = 1 
> 	while "`r(name`I')'" != "" { 
> 		local ++I 
> 	} 	
> 	local --I 
> 
> 	// build up matrix 
> 	if rowsof(r(Stat1)) == 1 { 
> 		forval i = 1/`I' { 
> 			local vectors "`vectors' r(Stat`i') \"
> 			local names   "`names' `r(name`i')'" 
> 		} 
> 		matrix `matout' = `vectors' r(StatTot)
> 	} 
> 	else { 
> 		forval i = 1/`I' { 
> 			local vectors "`vectors' (r(Stat`i'))' \"
> 			local names   "`names' `r(name`i')'" 
> 		} 
> 		matrix `matout' = `vectors' (r(StatTot))'  
> 	} 	
> 
> 	matrix rownames `matout' = `names' Total 
> 	matrix list `matout'
> end 

Nick,

Thank you for the program. Could you please explain the difference
between the -if- and -else- loops? Why does the "vectors" part change
(by the way, the quotes don't match in the -else- loop), but not the
"names" part?

Friedrich Huebler

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