I'm working with pedigrees where one family member has schizophrenia and all family members share 1/2 DNA. The program SOLAR seems to use a separate matrix for mother and father id when samples have families of varying sizes. Does anyone know of sample R/OpenMx syntax for this? I have a smaller sample and want to use all family data possible, but my first-degree family members are unequal--it would be nice to eyeball what matrices look like in this type of analysis.
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