Thanks for the info. I am working with Recombinant Inbred Lines(RILs), not pedigree, so most of what I could find does not apply to my work. I've found a couple of tutorials explaining how to use analysis of variance components with lme4, but I don't have multiple measurements per individual per experiment (we measured pools, it was impossible to measure every single plant), so lmer doesn't let me do it.
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