[R-sig-eco] Random or Repeated
Ben Bolker
bbolker at gmail.com
Fri Dec 9 15:14:31 CET 2011
Kyle Hernandez <kmhernan at ...> writes:
>
> Hello all,
>
> I am building some mixed models using QTLs for several traits.
> This basically gets at the underlying
> genetic architecture. However, I have a Recombinant Inbred
> Line (RIL) breeding design grown across 5
> environments. There are a couple issues I have:
>
> 1. Each RIL is not truly independent from one another
> (some are more closely related than others)
> 2. Can measuring traits for a RIL across several environments
> be considered "repeated" measures?
>
I would definitely ask this question on the r-sig-mixed-models
list. There are several packages (kinship, pedigreemm) for dealing
with varying degrees of relatedness in mixed models.
Ben Bolker
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