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Table 3 Model comparison from multilocus MK-test

From: Immune genes undergo more adaptive evolution than non-immune system genes in Daphnia pulex

Model

Description

LnLa

Db

DFc

p-value

AICcd

Διe

wif

M0

Alpha=0 at all loci

-705.7

   

1548.6

6.8

0.0320

M1

Single value of alpha, estimated from the data

-705.2

1.00

1

0.3200

1551.3

9.5

0.0083

M2

Alpha varies at each locus

-637.7

136.00

47

0.0000

1680.6

138.8

0.0000

M3

Alpha values estimated for immune and for non immune system genes

-698.5

14.40

2

0.0007

1541.8

0.0

0.9600

  1. Table 3 legend: (a) Log-likelihood, (b) Likelihood ratio test statistic (-2(ln(liklihood null model)-ln(likelihood alternative model))), (c) DF= (degrees of freedom of model 1) - (degrees of freedom of model 2), (d) AICc: Akaike information criterion corrected for finite sample sizes, (e) Di=AICci-minAICc, (f) wi=exp(-0.5*deltai)/sum(exp(-0.5*deltar).