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Re: st: Reporting proper format of numbers in a graph


From   Alan Neustadtl <alan.neustadtl@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Reporting proper format of numbers in a graph
Date   Fri, 20 Mar 2009 14:39:49 -0400

The following should work for you:

/***********************************/
sysuse auto, clear
corr mpg weight
local cxy: display %5.3f r(rho)
di "Stored correlation:   " r(rho)
di "Formatted Correlation:" `cxy'
/**********************************/

Best,
Alan


On Fri, Mar 20, 2009 at 2:29 PM, Benjamin Villena Roldan
<bvillena@troi.cc.rochester.edu> wrote:
> Hello Statalist,
> I'm currently including some correlations in the notes of a graph. I want
> the format of this correlation to include just 3 decimals. So far, my
> approach is to compute the reported correlation in the following way
>
> -
> corr x y
> local cxy=round(1000*r(rho))/1000
> twoway(line x y), note("corr(x,y)= `cxy' ")
> -
>
> For most of the graphs I'm doing this procedure works fine, but in a few
> cases the graph note reports correlations that look like 0.6750000000000001
> . This rounding error is killing the aesthetic of my graph!
> Does anyone know another way to handle this problem so that I can always
> report three-decimal correlations?
>
> Thanks,
>
> Benjamin
>
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