# \donttest{
## Select the best variance-covariance model using asreml for modeling.
if (requireNamespace("asreml", quietly = TRUE)) {
geVarCov <- gxeVarCov(TD = TDMaize, trait = "yld", engine = "asreml")
## Create a pdf report summarizing the results.
report(geVarCov, outfile = tempfile(fileext = ".pdf"))
}
# }
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