st: Re: Writing output to a file

["Paul Fenner" <paulfenner@hotmail.co.uk>]

I am using permute on a Kruskal-Wallis test;
permute var z=r(chi2_adj), reps(10000) nodots nowarn: kwallis var if 
class==6|class==7,by(class)
and I can obtain the probability from:

.matrix list r(p)
symmetric r(p)[1,1]
       z
y1  .8759

I would like to write this value to a file for subsequent processing but I 
am unable to display the matrix element:
. display r(p)[1,1]
invalid syntax
r(198);
Could somebody point me in the correct direction for displaying matrix 
elements.
Thank you.
Paul

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