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Table 1 Relationships expected among site pattern probabilities for various root positions. See Fig. 1 for depiction of root positions â‘  - ⑤

From: Rooting phylogenetic trees under the coalescent model using site pattern probabilities

Rooting position

Expected relationships

â‘ 

p yxxx >p xyxx , p xxxy =p xxyx

â‘¡

p xyxx >p yxxx , p xxxy =p xxyx

â‘¢

p xxyx >p xxxy , p xyxx =p yxxx

â‘£

p xxxy >p xxyx , p xyxx =p yxxx

⑤

p xyxx =p yxxx , p xxxy =p xxyx