Introgression & gene flow

• D-statistic (ABBA-BABA test) - Patterson's D-statistic for detecting introgression

• DFOIL test (Pease & Hahn 2015) - DFOIL test for detecting and polarizing introgression in a 5-taxon symmetric phylogeny

• Discordance asymmetry - Test for asymmetric discordance (gene flow detection)

• Hybridization analysis - Estimate reticulation events and localize hybridization on a species tree