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st: permute xtmixed

From   Fotios Drenos <>
Subject   st: permute xtmixed
Date   Mon, 22 Oct 2007 16:02:34 +0100

Dear All,
I am trying to run a permutation tests on an xtmixed command and the I get a convergence error.

The command I am using is:

program test5, rclass
version 9
args dependent fac_gene fac_measurement
xi: xtmixed `dependent' i.`fac_gene' `fac_measurement'||sno: `fac_measurement', cov(unstruct)
testparm _I`fac_gene'*
return scalar pgene=r(p)

permute sqrtchol t=r(pgene), reps(100) noi : test5 sqrtchol gv242 visit

Any suggestions of what goes wrong here?

All the best

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