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Table 2 Summary of the results from simulated data under Model A1. The Likelihood Ratio Tests were performed between Model A1 versus Model A2 using the volume partition at the 5% significance level. The table also shows the percentage of sites predicted to be in each site class.

From: Identification of physicochemical selective pressure on protein encoding nucleotide sequences

Data Set Partition % of significant LRT tests* % of sites in each category
    ω≤1,γ≤1 ω≤1,γ>1 ω>1,γ≤1 ω>1,γ>1
Set 1 (ω = 0.4,γ = 4.0) Volume 100 0.00 0.99 0.00 0.01
  Hydrophobicity 100 0.27 0.41 0.08 0.24
Set 2 (ω = 4,γ = 0.4) Volume 0 0.00 0.00 0.97 0.03
  Hydrophobicity 100 0.08 0.11 0.17 0.64
Set 3 (ω = γ = 0.4) Volume 4 0.99 0.00 0.00 0.01
  Hydrophobicity 1 0.99 0.00 0.01 0.00
Set 4 (ω = γ = 4) Volume 100 0.00 0.00 0.00 1.00
  Hydrophobicity 100 0.00 0.00 0.00 1.00
  1. * Bold numbers indicate the correct category