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Correlation among random effects in lme
Pengyuan Liu
·
Nov 30, 2007
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r-help
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Specify var-covar matrix in mixed linear model using lme?
Pengyuan Liu
·
Dec 1, 2007
·
r-help
Hi,All: I have a question about specifying var-cov matrix in mixed linear model using lme. For example, for single-level mixed linear model: yi = XiB + Ziui + ei ui ~ N(0,D), ei ~ N(0,sigma^2R), var(yi...
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