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Phylogenetic Intersection Analysis

Phylogenetic Intersection Analysis is a method of metagenomic phylogenetic assignation that is designed to be robust to the partial representation of organsims in databases. A manual on how to use the following programs will be forthcoming. Furthermore, extra functionality to cover the 'bits we did by hand' still needs to go in (like instances in which many sequences are 100% identical to the sedaDNA, requiring a secondary intersection to be recovered igher in the taxonomic rank). But for those of you who can adapt quickly and want to see the principle of the process, here are the scripts we used to analyse the Mesolithic sediments of the Solent for download:

PIA scripts