Empirical base frequencies inferred by PhyloNet-HMM on simulated data sets. J. LiuKevin DaiJingxuan TruongKathy SongYing H. KohnMichael NakhlehLuay 2014 <p>Panels (a) and (b) show model conditions with migration times and , respectively, and different migration rates. Standard error bars are shown, and .</p>