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Table 6 Parameter estimates for ζ-models

From: DNA polymorphism and selection at the bindin locus in three Strongylocentrotus sp. (Echinoidea)

Data Model κ ω ζ-model parametersa Log-likelihood values
INT Neutral 3.30 0.49 ζ0 = 0.99, p 0 = 0.14 [ζ1 = 1, p 1 = 0.86] −2886.217945
  Two-category 2.62 0.53 ζ0 = 0.69, p 0 = 0.98 ζ1 = 61.77, [p 1 = 0.02] −2870.740681 p-value = 10−8
PAL Neutral 3.12 0.27 ζ0 = 1.00, p 0 = 0.00 [ζ1 = 1, p 1 = 1.00] −2533.273804
  Two-category 2.87 2.12 ζ0 = 0.00, p 0 = 0.00 ζ1 = 8.80, [p 1 = 1.00] −2522.600909 p-value = 2x10−6
DRO Neutral 1.14 0.31 ζ0 = 0.00, p 0 = 0.53 [ζ1 = 1, p 1 = 0.47] −2279.474923
  Two-category 1.17 0.41 ζ0 = 0.00, p 0 = 0.91 ζ1 = 7.27, [p 1 = 0.09] −2277.438710 p-value = 0.02
  1. aValues in square brackets are fixed (ζ1 in neutral model) or calculated from estimates (p 1 = 1− p 0)
  2. See Table 1 for the species designation