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RE: st: RE: radial axis to Galbraith plot


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: radial axis to Galbraith plot
Date   Wed, 16 Nov 2005 23:16:01 -0000

No. 

Nick 
n.j.cox@durham.ac.uk 

Ben Dwamena
 
> Thanks Nick .
> With this version 8.2  rendition of -galbr- can circscatter 
> be incorporated to provide the cicular axis?
 
> >>> n.j.cox@durham.ac.uk 11/16/05 5:55 PM >>>
> My guess is that a circular scale is programmable
> here, but that there is no way that any existing 
> official Stata call will produce what you want. 
> 
> -galbr- doesn't seem to have been updated 
> since STB-56. The following is a fairly free
> translation that should not be blamed on Aurelio
> Tobias. It doesn't bear a circular scale. 
> 
> *! galbr8 NJC 3.0.0 16 November 2005
> *! galbr AT 2.0 Marc 2000     (STB-56: sbe20.1)
> *! galbr AT 1.15 June/October 1997
> program galbr8 
> 	version 8.2
> 	syntax varlist(min=2 max=2 numeric) [if] [in] ///
> 	[, id(varname) scatter(str asis) fitted(str asis) ///
> 	upper(str asis) lower(str asis) *]
> 	
> 	tokenize `varlist'
> 	args E SE 
> 	
> 	quietly { 
> 		marksample touse 
> 		count if `touse' 
> 		if r(N) == 0 error 2000 
> 
> 		tempvar x y 
> 		gen `x' = 1 / `SE'
> 		su `x' if `touse', meanonly 
> 		local maxx = r(max) 
> 		gen `y' = `E'/`SE' 
> 		reg `y' `x' if `touse', noconstant
> 	}	
> 
> 	if "`id'" != "" local show "ms(none) mla(`id') mlabpos(0)"
> 		
> 	scatter `y' `x' if `touse', `show' `scatter' || /// 
> 	function fitted = _b[`x'] * x, ra(0 `maxx') `fitted' || ///  
> 	function upper = 2 + _b[`x'] * x, ra(0 `maxx') ///
> 		clp(dash) clc(green) `upper' || ///  
> 	function lower = -2 + _b[`x'] * x, ra(0 `maxx') ///
> 		clp(dash) clc(green) `lower' || ///  
> 	, legend(order(2 3 "upper limit" 4 "lower limit") row(1)) ///  
> 		yti(b / se(b)) xti(1 / se(b)) `options' 
> end
> 
> 
> 
> 
> Nick 
> n.j.cox@durham.ac.uk 
> 
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu
> > [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of 
> Ben Dwamena
> > Sent: 16 November 2005 21:25
> > To: statalist@hsphsun2.harvard.edu
> > Subject: st: radial axis to Galbraith plot
> > 
> > 
> > Dear Statalisters
> > Does anyone know how stata may be used to produce yaxis(2)  
> > circular scale   in a Galbraith plot(i.e. see Tobias' galbr 
> > command for vi suographically investigating heterogeneity in 
> > meta-analysis) which incorporates a scatter plot of 
> > standardized effect size on yaxis(1) versus precision on x axis?
> > Thanks
> > Ben
> > 
> > 
> > 
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