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Detecting Individual Sites Subject to Episodic Diversifying Selection

Figure 1

The standard random effects approach and samples.

A) The standard random effects approach, in which the rates vary randomly over sites but are constant over branches. Different values of are showed in different colors. B) Samples from our new random effects approach [20], used by MEME, in which the rate on each branch is drawn independently of the rate on any other branch. All possible assignments of rates to sites are considered.

Figure 1