Re: GxE interaction analysis

Dear Sang,

Have you looked at the tutorial available on the VSN website. Session c3
describes the analysis
of a multienvironment trial. You will need to listen to the audio as well
as view the slides
which display the coding.

Following is the MET.AS file

I'll attach the data file but if it gets stripped out, I think it should
be with the tutorial files on the VSN website.
[Message too big with attachment for listserver]

  !R !CON !ARG 2
met test run
 seq
 col 15 # Actually 12 12 and 15 for the sites respectively
 row 34 # Actually 34 34 and 28 for the sites respectively
 chks 7
 test 336
 geno 337
 yld 1 !*.01
 site 3
met.dat !section site !DOPART $1

!PART 1
yld ~ site chk.site !r at(site,3).row .02 at(site).col .90 .40 .036
site.test
predict chk site
predict test 1:50 site

!PART 2
yld ~ site chk.site !r at(site,3).row .02 at(site).col .90 .40 .036,
 xfa(site,1).test
predict chk 7 test !AVE site 0 0 0 .36

!PART 0
 site 2 1
12 col AR .1271 !S2=2.19
34 row AR .751
12 col AR .25 !S2=0.84
34 row AR .56
15 col ID !S2=0.19
28 row AR .38

!PART 1
site.test 2
site 0 FA1
.5 .5 .5
.1 .1 .1
test

!PART 2
xfa(site,1).test 2
xfa(site,1) 0 XFA1
.1 .1 .1
.1 .1 .1
test

[attachment "MET.DAT" deleted by Arthur Gilmour/DPI/NSW]

May Jesus Christ be gracious to you,

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 Sat Oct 23 2007 - 20:07:02 EST