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Prior densities of the marker-specific variance 
(solid circles, ν = 4, S = 1; solid curve, ν = 10, S = 1; crosses, ν = 100, S = 1) and values of integrand 
in the Kullback–Leibler distance, for each of the three priors, shown as solid lines. The integrands are essentially indistinguishable from each other for all values of 
. Values of the integrand are drastically different (open circles) when 10 markers are assigned the same variance, so that 
.
