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| From | brendan.halpin@ul.ie (Brendan Halpin) |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: lower diagonal matrix |
| Date | Fri, 09 Dec 2011 09:34:19 +0000 |
On Fri, Dec 09 2011, María Fernanda Rosales Rueda wrote:
> I need to convert a lower diagonal matrix into a symmetric matrix. How
> can I do this in stata?
----------------------------------------------------------------------
#delimit ;
matrix x =(0.10, 0.00, 0.00, 0.00\
0.50, 0.20, 0.00, 0.00\
0.60, 0.64, 0.30, 0.00\
0.65, 0.61, 0.65, 0.40);
#delimit cr
mata:
X = lowertriangle(st_matrix("x"))
Y = X + X'
st_matrix("y",Y)
end
matrix list y
----------------------------------------------------------------------
Brendan
--
Brendan Halpin, Department of Sociology, University of Limerick, Ireland
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