Pigmentation in Drosophila melanogaster reaches its maximum in Ethiopia and correlates most strongly with ultra-violet radiation in sub-Saharan Africa

Table 6 Univariate model set evaluation for A4 background

Model	Formula	k	RSS	AdjustedR ²	AICc	Model likelihood	w
g₀₁	UV index	3	250.36	0.52	139.76	1.00	0.68
g₀₅	Silt content	3	269.41	0.49	141.67	0.39	0.26
g₀₄	Atmospheric pressure	3	311.23	0.41	145.42	0.06	0.04
g₀₂	Mean max. temperature	3	323.71	0.39	146.44	0.04	0.02
g₀₆	Genetic PC1	3	430.20	0.18	153.84	0.00	0.00
g₀₃	Relative humidity	3	454.76	0.14	155.28	0.00	0.00
g₀₇	Genetic PC2	3	491.51	0.07	157.30	0.00	0.00
g₀₈	naïve	2	548.85	0.00	157.60	0.00	0.00

k = number of parameter estimates, RSS = residual sum of squares, AICc = Akaike information criterion adjusted for the sample size, w = conditional model probability (likelihood of model i divided by the sum of model likelihoods).

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