Re: Bivariate binomial

From: <arthur.gilmour_at_DPI.NSW.GOV.AU>
Date: Thu, 31 May 2007 15:03:08 +1000

Dear Michgael,

I'm not convinced the model will do the right thing.

Assuming the data is in N sets of 2 traits, try

1 2 1
N 0 0 # N is number of records
2 0 US 1 .5 1 !GFPF !S2==1
Trait.bintrait.sire 2
2 0 US !GP
.06
.05 .06
 0 0 AINV

To check that it is probably working, fix the two covariances to ZERO
and compare the result with separate univariate analyses.

May you know Jesus Christ and His blessing in 2007,

Arthur Gilmour, His servant .

Mixed model regression mapping for QTL detection in experimental crosses.
Computational Statistics and Data Analysis 51:3749-3764 now available at
http://dx.doi.org/10.1016/j.csda.2006.12.031

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Principal Research Scientist (Biometrics)
NSW Department of Primary Industries
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Received on Mon May 31 2007 - 15:03:08 EST

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