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. 2019 Apr 19;36(8):1793–1803. doi: 10.1093/molbev/msz094

Table 4.

Estimates for the Ebolavirus Data Set with Changing Selection Pressure (ω).

Homogenous ω Time-Dependent ω
ln MLE −66,035 −65,767
Selection parameter(s) ω = 0.028 (0.026; 0.030) Intercept β0 = −0.559 (−0.822; −0.305)
Slope β1 = −0.417 (−0.449; −0.385)
Clock rate (subst./site/yr) 0.0004 (0.0002; 0.0006) 0.0002 (0.0001; 0.0003)
TMRCA (years) 11,166 (7,894; 15,190) 49,022 (30,586; 77,863)

Note.—The time-dependent ω model resulted in a better fit compared with the homogenous ω model.