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Phylogenetics is the study of evolutionary relationships among biological entities - often species, individuals or genes.

6 votes
1 answer
250 views

What is the minimum number of individuals per group required for ADMIXTURE analysis?

What is the minimum number of individuals required per group (population/species) for an ADMIXTURE analysis to be appropriate? Is there a way to determine this number mathematically based on the amou …
2 votes
1 answer
588 views

How can I improve ESS values for ucldMean in beast?

Using starBeast I ran a 50 locus tree, with 34 individuals, using evolutionary models indicated by AICc in jModel test. I ran this tree with a MCMC chain length of 500 million, storing every 10,000 ge …
5 votes
2 answers
1k views

How are Principal Component analyses and Admixture analyses from a genetic alignment different?

How are Principal Component analyses and Admixture analyses from a genetic alignment different? My understanding is that a PCA will take raw genetic differences across the entire alignment and plot …
3 votes
1 answer
231 views

Combine multiple species trees

I have five species trees run using starBeast and Beauti. Here is a link to the paper discussing both, http://journals.plos.org/ploscompbiol/article/file?type=supplementary&id=info:doi/10.1371/journa …