### Tuesday, February 28, 2006

## st: Re: Writing output to a file

Paul Fenner wrote: >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.

To display an element of a matrix, you can do:

. display el(r(p),1,1)

Have a look at -help matrix_function-

If you want to write the information to a file you could do something like:

. file write whatever (el(r(p),1,1))

--jean

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Tag: statalist