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2011 Nov 22
0
Help to inputting a pre-defined correlation structure in a Mixed Model
...ion between residuals and that they have a normal distribution with
mean equals to zero and a common variance equals to (sigma e)^2. On the
other hand I'm also asumming that the genotypes are normally distributed
with mean equals to zero but with variance equals to a G matrix that
considers the relatdness between individuals. This G matrix is expressed as
2 * (sigma g)^2 * K, where K is a matrix with the reladness coefficients
(kinship) between all individuals in the study. The K matrix is calculated
outside of R environment, and I'm using it as an input. I'm using the lme
function of th...