Wednesday, September 2, 2015
A multidimensional approach
This is arguably the most interesting Principal Component Analysis (PCA) I've run to date. Note that overall the ancient steppe genomes appear to be the crucial link in the Indo-European chain, basically bridging the gap between European and South Asian Indo-European-speakers. A plot with all of the samples labeled individually can be downloaded here. If you have any questions about the methodology, just ask in the comments.
Allentoft et al., Haak et al. and Lazaridis et al. datasets, all of which are publicly available. The latter two are found at the Reich Lab site here.
No significant genetic substructures within (eastern) Yamnaya